Chemical experiment volcano at home. Chemical experiment - Vesuvius on the table

You can watch a volcano erupt at home not only on TV. With the help of a small chemical experiment, you will arrange a real eruption on a fabulous island.

From this article you will learn

Everything that's needed

It takes a little experience household chemicals And decorative elements to create an island. An island with a volcano can be made from natural materials or use dinosaur sensory box sets.

Model of the volcano is molded from plasticine. The creation of a fabulous volcanic island for the experience is the main part of it and serves to develop the child's imagination and creativity. Such activities will help instill a love of chemistry and geography. Fine motor skills of the fingers, the child will develop during the manufacture of plasticine terrain and its inhabitants.

To make an island you need:

cardboard;
stapler or narrow tape;
box with colored plasticine;
small animal toys;
multi-colored pebbles;
big plastic box or a bowl in which the island will stand;
glass or plastic container with a volume of 200 ml for the vent of the volcano.

For the experiment you will need:

soda 20 g;
food coloring:
vinegar 9%;
dish detergent 25 ml;
water 100 ml.

Usually the experience happens until mom runs out of all the baking soda and all the vinegar, so please be patient.

Children cannot conduct experiments on their own without adults. If vinegar gets into the eyes or mouth of a child, a burn of the mucous membranes may occur, and if swallowed, a burn of the esophagus.

Making a fabulous island

You can build an island in a large plastic container. Pour real water, lay out the bottom with round pebbles. Make a container for a volcano from a jar for baby food or an old glass. For the mountain, inside which the container will stand, you need to make a cardboard layout, his child will be happy to cover it with plasticine.

The sequence of making a volcanic mountain:

cut out a circle of the desired diameter from thick cardboard;
make an incision from the edge to the center of the circle;
roll up the cone;
the edges of the cone are fastened with a stapler or tape;
pruned upper part a cone at a height equal to the capacity chosen for the volcano;
place the container inside the cone.

From above, I coat the mountain with plasticine. To do this, roll out small plasticine cakes. Brown color and stick to the paper cone, completely covering the cardboard. The top of the volcano can be made of red plasticine, which will imitate red-hot lava.

They set up a volcanic mountain on a dry island of pebbles. They sit around small rubber animals that are among children's toys. Colorful amazing dinosaurs or wolves, foxes, bunnies, bears and other inhabitants of the forest and jungle. Depending on which animals were planted, vegetation is selected for the island. Large tree ferns and horsetails for dinosaurs, and ordinary Christmas trees and birches for bunnies and foxes.

Plastic plants are also often sold in children's play sets. You can use a leaf of a live fern and twigs of plants if it's summer outside. Plants can also be molded from plasticine, made from threads and beads or ordinary cardboard.

Can be made from cardboard small houses, for plastic Indians and soldiers. It is better to use cardboard for making plants and houses when the island is in a container with blue-colored sand instead of water or on a blue plasticine sea.

Conducting an experiment

Finally the island is ready. All toy animals and people froze in anticipation of an interesting event - a volcanic eruption. They know that the volcano is not real and therefore they are not afraid of it.

To conduct the experiment, pour a tablespoon of soda into the jar-vent of the volcano. Add a tablespoon detergent for dishes. red food coloring or orange color dissolved in 100 milligrams of water and poured into soda and detergent. The basis for the experiment is ready, it remains to add vinegar. Mom, you can let the child pour vinegar into the volcano on his own, under her supervision, so that he does not do it in her absence. It is better to repeat the experiment for an encore, pouring vinegar into the “vent” of the volcano and pouring soda into it, while the child is interested and asks to repeat the experiment.

When vinegar is added, the soda will begin to foam, erupting from the "vent of the volcano" like red or orange lava. The detergent will allow the “lava” to foam longer and more abundantly, overflowing from the vent and flooding the surroundings along with plants and animals that were inadvertently placed too close.

Afterword

The safest way to do a volcano experiment for young children is with baking soda and vinegar. It can be repeated many times, and get necessary materials experience is not difficult.

The most interesting thing in the experience is the creation of your own fairy-tale island with the child, which can be used not only for the “Volcano” chemical experiment, but also for an exciting game.

With older children, you can conduct the Volcano experiment at home using
, potassium permanganate and glycerin. For the experiment, ammonium dichromate is poured into an evaporating bowl in the form of a slide, in the middle of which a depression is made. Add a little potassium permanganate and a few drops of glycerin to the recess.

After a few minutes, due to the interaction of potassium permanganate and glycerol, ammonium dichromate will ignite. Sparks will be thrown from the volcano in all directions, and a fountain of fire will begin to erupt. Before starting the experiment, the bowl must be placed on the foil so as not to burn the surface on which the experiment will take place.

Ammonium dichromate can simply be set on fire, and it will burn like a volcano, spewing sparks. The experience is exciting, but without the presence of adults, children should not be allowed to do it. Burns can be caused not only by sparks, but also by the chemicals used.

Good luck with your experiments!

During a volcanic eruption, ash clouds are thrown into the air, and lava flows along the slopes. This is a very exciting sight, it is life-threatening to watch it in close proximity.

But you can make a volcano at home and conduct experiments daily, admiring the eruption without a threat to life and health. By showing an active volcano to your friends, you will surprise them. You can prepare a presentation for a school lesson, and thereby add variety to boring lessons, and teachers in geography and chemistry will surely mark your efforts with good grades.

First make the volcano itself.

How to make a paper volcano

To make a volcano, it is best to use thick paper or cardboard.

Draw a large circle on paper. Cut it out and glue the cone.

From the second sheet of paper, twist the tube and glue it. This will be the mouth of the volcano. Put a cone on it and fasten the structure with glue.

Cut out the ground from the third piece of paper. It can be given any shape, as long as it is larger than the base of the volcano. Glue the volcano to the ground, cover it with tape. Apply superglue on top and sprinkle with sawdust, sand. You can use colored sand. Paint the model with gouache or acrylic paints and give the volcano a natural look.

To prevent paint from running during or after an eruption, cover the volcano protective layer. The composition can be prepared independently: mix 1 part glue and 3 parts water. After thorough drying, the volcano model is ready for use. Lava in a test tube is inserted into the mouth of a volcano.

How to make a volcano video

Volcano how to make from plasticine

Plasticine is divided into 2 parts.

The first part is rolled into a pancake (base or land). From the second part, fashion a hollow cone, with a hole in the middle.

Place a bottle with a cut neck on the base. Put a cone on top, stick around the bottle opening with plasticine. Fasten the base and cone of the volcano together to form an airtight structure.

Color the model and sculpt the slopes. The prepared substance for lava is poured into the bottle through a watering can.

How to make a plasticine volcano model the second way

Instead of plasticine, you can use salty dough, mass for modeling, papier-mâché.

Glue the bottle to the base (upside down plastic bowl, thick cardboard, chipboard) with tape so that you get a cone-shaped tent.

Cover with plasticine on top. Form lava flows, mountain range elements, channels. If you used salt dough, dry the volcano.

Now you can paint the model. For a more spectacular eruption, red paint can be applied to the mouth of the volcano. Once the paint is dry, apply a clear sealer.

Attach plastic plants to the base (usually they decorate aquariums) - you get trees and shrubs. Dry the volcano well again before use.

How to make a cold porcelain volcano model

If you wanted to use modeling mass to make a volcano, but did not find it in stores, or the price turned out to be high, you can cook cold porcelain. This soft material, homogeneous in structure. It is convenient to sculpt small parts from it, because. it is very plastic, and hardens when solidified.

Mix one part starch (corn or potato), soda, water. Add a drop of vegetable oil.

Put the mixture on the fire and cook until it thickens, stirring constantly. Remove the thick mass from the pan and cover with a damp towel. When the mass becomes warm, knead it. It should be soft, and resemble plasticine. The mass can be dyed desired color during cooking. Best for this Oil paint. But keep in mind that then "cold porcelain" will quickly harden. So that the mass does not stick to your hands, grease them with oil or a fat cream. Sculpt the volcano as described above and let it dry. Then paint with acrylic paints.

Eruption preparation.

How to make a soda volcano

The easiest way to make lava is from baking soda and vinegar. The quantity is given for a volcano with a "volume" of 100-150 ml.

1 st. mix a spoonful of soda with 1 teaspoon of dishwashing detergent (preferably red), and red dye (beetroot juice can be used). Stir the mixture well, if the lava is very thick, add water. Pour it into the crater of the volcano.

To start the eruption, you need to add 2.5 tbsp. spoons of vinegar. The vinegar will react with the baking soda and carbon dioxide will be released. As a result, a bubbling red foam will form.

How to make a homemade green ash volcano

For this experiment, you will need ammonium dichromate (NH4) 2Cr2O7. It is included in any standard Junior Chemist set. The experiment must be carried out on a non-combustible surface.

Pour ammonium dichromate into an unnecessary jar of tin 7 cm high. In the center of the slide, make a recess and put a cotton swab moistened with alcohol.

From brown paper, roll a cone 15 cm high, 20 cm in diameter. Cut off the top of the cone by 5 cm. Cover the reagent jar with the cone. Make sure that the cone is slightly lower than the slide, if necessary, cut the paper further. Set fire to the cotton wool and admire the flying green flakes.

How to make a do-it-yourself volcano that erupts with a sheaf of sparks

The eruption turns out to be spectacular, but it must be carried out, observing the rules for working with combustible substances, and conducting the experiment on the street under the supervision of adults. If careless, you can start a fire or get fourth-degree burns.

Mix 4 parts of potassium nitrate with 2 parts of aluminum (source of sparks) sawdust and 1 part of sulfur. To get enough sawdust, drill a few holes in the metal.

On the bottom of the cardboard sleeve (you can buy it or take it after the used factory pyrotechnics, you can make it yourself) install a clay plug. The wall thickness of the sleeve is 4 mm. Pour and tamp the mixture into a sleeve. Top with a cardboard circle (its diameter is inner diameter sleeves), and then fill with plaster.

In the middle of the plaster plug, drill a hole for the pyrotechnic mixture and pass the wick. This will be the crater of the volcano, before the eruption, light the fuse and move to a safe distance.

With an active volcano. The craft is completely made of waste material.

One of the most interesting elements in the world of dinosaurs - a volcano. It is real, Anya really likes it when we launch it. True, she hides dinosaurs in caves in advance so that they do not die.

And today I want to tell you how to make a homemade volcano. By the way, the volcano is interesting not only from the point of view of the game, but also from the point of view of the development of the child. By launching a volcano, you are doing a little chemical experiment, showing a child how baking soda and vinegar can interact together. An older child can be told that the bubbles that are released are carbon dioxide.

First, I'll show you how to make a reusable volcano that can be launched repeatedly. It will take some time to create it. At the end of the article I will tell about one more - fast way creating a home volcano.

To create a volcano you will need:

plastic bottle 1.5 l.;
plastic lid (for example, from sour cream, mayonnaise, or from a regular plastic disposable round jar);
adhesive tape masking and ordinary;
gypsum plaster (or salt dough);
acrylic paint (or a mixture of gouache with PVA);
the base for the volcano (we have a plastic substrate for cookies);
paper or old newspapers;
foil.

1. Cut a plastic bottle to the desired height, install it in a plastic cap and secure with tape.

You will have a solid base for the volcano.

2. Attach the future volcano to the plastic substrate with adhesive tape. You can also use a piece of plywood as a base.

3. Shape the bottle into a cone shape.

To do this, we tore off small pieces of paper, crumpled them up and laid them out around the volcano and secured them with molar tape, gradually rising up. To prevent the paper from getting wet from plaster, cover it with foil (we also fix the foil with masking tape).

4. Dilute the gypsum plaster to the consistency of very thick homemade sour cream and cover the volcano with it. Try to give relief to the volcano: make something like grooves through which lava flowed and ledges.

Instead of gypsum plaster can be used - just overlay them with the base of the volcano, giving the desired relief.

Alternatively, you can overlay the volcano with paper soaked in glue using the papier-mâché technique.

5. Wait for the volcano to dry and paint it. Use different shades brown paint. Use red paint to paint traces of lava.

Volcano is ready!

For a volcanic eruption you will need:

- a teaspoon of soda;

- a drop of dishwashing detergent;

- red paint or red food coloring;

Let's get to the fun part! Put a teaspoon of baking soda inside the volcano, pour in red food coloring or red gouache (we used gouache), add a drop of dishwashing detergent. You can pour a little water, but we did without it.

Gently pour into the mouth of the volcano table vinegar and the eruption begins!

Dishwashing detergent makes the chemical reaction more active - it turns out a lot of beautiful red foam (lava).

And as promised, a simpler version of creating a volcano.

How to make a volcano out of paper and plasticine

Fold a sheet of cardboard into a cone shape and cut off the crown. This will be the shape for the home volcano. Cover it with plasticine from above so that the cardboard looks like a mountain. It is better to place the volcano on a plate or baking sheet so that nothing gets dirty during the eruption.

Place a jar inside the cone (for example, from under baby food or soap bubbles). In a jar, pre-put the mixture for lava (soda, paint, food coloring).

Everything, the volcano is ready. This volcano is very quick to make, it is convenient when you want to show your child a real volcanic eruption right now.

We took the second option for creating a volcano from the book "".

Now you know how to make a volcano. You can experiment!

Most likely, I won’t be mistaken if I say that the “Volcano” experiment from soda and vinegar is one of the most spectacular and favorite experiences for kids. Children can repeat it endlessly. But I do not want to do it every time according to the same template. As it turned out, with the same ingredients - soda, vinegar (citric acid) and water - you can come up with quite a few variants of a well-known experience. We will tell you about them.

Required Ingredients

Just in case, let me remind you the ingredients that will be needed to conduct the Volcano experiment:

soda,
vinegar, acetic acid or citric acid,
water.

The ratio of ingredients:

100 ml of water, 1 teaspoon of vinegar, 1 teaspoon of soda;
1 cup water, 2 teaspoons baking soda, 1 teaspoon citric acid.

I use citric acid more often, as it has no smell, and it is much more comfortable and safer to experience with it.

There are several secrets of how you can add variety to the course of the reaction:

To make the experience run more rapidly, you can use sparkling water instead of water.
To delay the start of the reaction a little, do not mix water and citric acid directly. Pre-dissolve citric acid or vinegar in water, and pre-wrap soda in paper napkin or paper towel.
The reaction will be more effective if you add a dye to the ingredients (you can use gouache, but dry food dyes for Easter eggs or liquid dyes for Easter eggs are more suitable). homemade soap).
For a thicker and more stable foam, add a drop of detergent to the volcano.
Also, the reaction will be more interesting if sparkles or small sequins are added to the volcano mixture. The foam coming out of the volcano will also pull out the sequins. In the same way, lava coming out of a real volcano brings stones from deep bowels to the surface of the earth.

Although the Vulkan experience is the same ingredients every time, albeit in different containers, there is something to think about in each case. Questions that you can ask the baby or think about them together, I have identified in the blocks “Things to think about”.

Classic volcano - almost like a real one

The easiest option is to mold a volcano from plasticine or salt dough. It is not at all necessary to use new plasticine, the plasticine that was used earlier, but now it has turned into a gray mass, is quite suitable. In the volcano that you see in the photo below, we added sequin stars. To bring them to the surface, we had to wake up the volcano several times, each time increasing the amount of ingredients. In the end, everything worked out with 3 teaspoons of soda and 1.5 teaspoons of citric acid. And another tip: sequins are best poured last. And if you have them under reagents, after adding water, quickly stir in the mouth of the volcano wooden stick.

Another option is a glass or plastic bottle with a tall, narrow neck (I prefer glass because it's more stable). It is very interesting to watch how the foam rises up the narrow neck from the inside up, and then flows down the walls of the volcano.

Having carefully examined our kitchen, we noticed that a funnel is very similar to a volcano. The lower part of the funnel must be closed in several layers. cling film. From above the funnel can be closed with a layer of foil. And, in order to avoid surprises, it is better to put the funnel closed with a film on a tray.

Something to think about. If you don't spare the ingredients and your reaction is violent, you'll end up with a spitting volcano. Discuss with your child why? What causes a volcano in a funnel to spit?

Answer. The neck of the funnel is narrow, carbon dioxide is released rapidly and in large quantities. Hurrying out of the funnel, carbon dioxide captures water with it.

If the funnel was not at hand, you can use the top from plastic bottle: cut off the upper part of the plastic bottle (the cut off part can be 7-10 cm high), cover the bottom in several layers with cling film or foil. The volcano is ready - you can make the filling.

Volcano in a glass, or how to make water boil without heat

If you don’t feel like sculpting a volcano, and you don’t have a funnel or a plastic bottle at hand, you can make a volcano in an ordinary glass or jar and it’s interesting to beat it. For example, tell your child that you can make water boil without using an electric kettle or stove.

Dissolve 2 teaspoons of baking soda in 1 glass of water (the glass must not be filled to the top, otherwise your volcano will burst its banks). Pour 1 teaspoon of citric acid into a glass. The water in the glass will “boil” - it will boil. Invite your child to touch the glass. Is he hot? Is the liquid in it hot?

Instead of soda water in this experiment, you can make a solution of vinegar or citric acid (0.5 liters of water - 2.5 teaspoons of citric acid or vinegar). Then you will not add citric acid or vinegar to the glass, but soda.

Things to think about 1. Now pour water into another glass, add 1 teaspoon of citric acid. Nothing will happen. Let the kid express his assumptions, why this happens, what is the magic of water in the first glass.

Add 2 teaspoons of soda to the second glass, now the water will “boil” in this glass as well. Discuss with the baby what is happening, what reaction makes the water “boil”.

Answer. Meeting in water, soda and citric acid interact. This releases carbon dioxide. Since gas is lighter than water, gas bubbles rise to the surface of the water. Here they burst, thereby causing the water to "boil".

If you pour a little of the liquid from each glass before dropping a spoonful of citric acid into glasses of soda water and ordinary water, you will have another way to show that the liquids in glasses are different - add red tea to them. In a glass of plain water, tea will become a little paler, and in a glass of soda water, it will turn blue.

Something to think about 2. Mix baking soda and citric acid in a bowl. Watch, is there anything going on? Nothing.

Answer. To start the reaction between soda or citric acid, the presence of water is necessary, or that one of the components is in the form of a solution.

Something to think about 3. Pour the same amount of citric acid solution into two glasses. In one glass, lower the whole spoon with you, and carefully pour the soda from the spoon into the other glass. In which glass will the volcano turn out to be more violent?

Answer. The volcano will be more violent in the glass where you lowered the entire soda spoon, as in this case they meet, combine and react immediately more molecules.

You can also compare soda and lemon water volcanic eruptions. With the same amount of ingredients, which one will turn out to be more violent?

boiling lake

What I especially like about this option: you can give the baby two teaspoons, containers of soda and citric acid and give him the freedom to experiment for a while.

You will need: a bowl of water, citric acid, baking soda, 2 teaspoons and a large spoon for stirring. Let the water in the bowl be a lake. Show your child that if you add a little baking soda and citric acid to the lake, the lake will boil. Repeat and let the baby try it himself. And I assure you: until the containers with soda and citric acid are empty, the baby will be busy, and you will have time to do some of your business.

What to think. Try stirring your lake with a spoon or chopstick. Will the lake boil more or less?

Answer. A disturbed volcano erupts harder, because by mixing the water in the lake, we help the soda and citric acid molecules meet faster.

What to think. Add citric acid and soda to the water not at the same time, but one after another. Let's start with citric acid, then add soda. The lake boils and stops boiling. We add a little more soda - nothing happens. What needs to be added? Citric acid. Added. The lake is boiling again. It's gone. Add more citric acid. Nothing. What needs to be added? Soda. Added. The lake is boiling again, and so on.

Answer. Only a certain amount of soda and citric acid can meet and react. If there is too much soda in the water, after the end of the eruption, the excess will settle to the bottom. If there is too much citric acid in the water, the lake will eventually fall asleep as well. To “wake up” the lake again, you need to add what is missing.

Rough River

We had a boiling lake. Why not create a boiling river? Ideally for this purpose, the designer "Funny Slides" from Bauer or "Marbutopia" is suitable. This will be the riverbed. If you do not have such a constructor, you can cut along either a plastic or foam pipe. We will establish the bed of our river in a basin or bath.

We prepare a mixture of soda and citric acid (2: 1 ratio) and a jug or bottle of water. A dye can be added to a mixture of soda and citric acid or to water. We pour this mixture into the bed of our river, then we begin to pour water from above. The water moves down and the river begins to churn.

If you close the opening of the bathtub with a cork in advance, you will get a colored lake below. Let, for example, blue. Follow a red river and your lake will turn purple.

Do you want to play with your child easily and with pleasure?

bombs

Bombs are balls made of baking soda and citric acid that bubbling when placed in water. except

4 tablespoons of soda
2 tablespoons citric acid

needed to make bombs

1 teaspoon oil (sunflower or olive)
water in a spray bottle.

You can add dry or liquid dye.

Mix baking soda and citric acid well, add oil and mix again. Flakes will appear. Try to mold the bombs, if they are poorly molded, lightly sprinkle the mixture with water from a spray bottle. A reaction will start, but it's not scary. The main thing is not to overdo it with the amount of water, otherwise there will be an active reaction and the bombs will turn out to be self-exploding.

We make bombs with our hands. If you want to make large bombs, snowballs or transparent blanks are perfect for this purpose. Christmas decorations.

Soda and citric acid bombs explode in ordinary water.

By the way, these bombs can also be used for games in the bathroom. And if you add to the ingredients sea salt and a bit of your favorite essential oil, you can arrange a bath with bombs not only for the baby, but also for yourself.

You can make bombs simply from soda with the addition of oil or plain water. As you understand, such bombs will explode only in water to which citric acid or vinegar is added.

What to think. Blind with the baby soda bombs with the addition of oil or plain water. Place two containers of water in front of the baby, add vinegar or citric acid to one of them in advance (I added 2 tablespoons of vinegar or 2 teaspoons of citric acid to the cup that we have).

Throw bombs into two containers at once. The bomb will only explode in one of them. Ask the kid why? You can ask the question in a different way. For example, like this: “Although the liquid in both cups looks the same, in fact, different liquids are poured into the cups: one contains water, the other contains a solution of citric acid. Can you tell what's in each cup without trying the water? The bombs will help you."

By the way, do not rush to pour out the water into which the soda bomb was bare. Soda solution will come in handy when washing dishes!

Ice Volcanoes

Did you know that on one of the satellites of Saturn, on one of the satellites of Pluto and other objects solar system ice volcanoes have been found? (If you want to learn about ice volcanoes and much more - go with us to .) To see ice volcanoes, it is not necessary to fly so far in a spaceship. Everything can be done at home.

Prepare in advance soda solution and freeze it in small cubes. You can add dye. Before starting the game, prepare a lemon solution and a syringe. Put a few soda cubes on a flat plate and sprinkle them with lemon water from a syringe. The ice will melt and sizzle and bubble. You can do the opposite: freeze lemon water and pour water from a syringe.

What to think. Don't tell your baby the two big secrets about what water the ice cubes were made from and what water the syringe was filled with. If you've played with volcanoes before, your 5-year-old will probably figure it out for himself.

Something to think about. Before freezing soda or lemon water, add coloring to it. It is very good if you get cubes of red, yellow, blue, white flowers. Putting ice cubes on plates for the baby, put yellow and red, yellow and blue, red and blue next to each other. When the volcanoes melt, pay attention to the baby, what color puddles are left of them.

As you can see from the photos, we had cubes of clear, blue, and red soda water. Watching the volcanic eruption, we saw pink, yellow colors and lots of green. These are the miracles! yes and only!

An ice volcano can also be arranged in a glass: pour water into the glass (not to the very top, otherwise the volcano will immediately burst its banks), add citric acid or vinegar, throw a cube of frozen soda water into the glass. (You can freeze lemon water and make soda water in a glass.) The eruption will begin immediately and will continue for a long time - until the whole cube of soda coda has melted. If you make cubes soda ice colored, the eruption of an ice volcano will become clear. Do not forget to draw your child's attention to how the intensity of the color of the liquid in the glass changes as the ice volcano erupts.

The duration of the eruption and visibility are the main advantages of an ice volcano compared to the method when we simply add soda to a solution of citric acid, or vice versa.

You will find more experiments with ice in the article.

rainbow volcanoes

Volcanoes look very impressive when there are several of them, and they are colored. It is convenient to make such volcanoes in containers of the same size. We fill them with a solution of vinegar or citric acid, add a dry or liquid dye, a drop of liquid detergent for a thicker and more stable foam, pour in soda and observe.

The proposed model of the volcano is easily made at home. It can become a spectacular imitation of the process that takes place in the depths of our Earth. The production of the object is divided into 2 logical parts. The first part is the manufacture of a volcanic cone. The second part is actually a demonstration of the magma eruption process.

1. Making a volcanic cone

To make a cone model, you will need:
1. Plastic bottle.
2. Plasticine.
3. Scissors.
4. Any mortar- gypsum, putty mass, dry tile adhesive, ready-made plaster mixes.

First of all, cut off the top third from the plastic bottle.

We discard the lower part - we will no longer need it. With the top third left manicure scissors carefully cut off the neck with a small plastic gap - it will play the role of the crater of our future volcano.

We cover the trimmed plastic cone with plasticine, simulating the shape of the future volcano.

On it we apply, mixed with water, any building mixture.

In the photo - a mixture of tile adhesive and acrylic putty, but gypsum, cement or ready-made dry plaster will do.

In a cone, densely and picturesquely smeared with putty, we insert an inverted top from a bottle with a tightly closed cap.

In order for the mass to harden, dry and strengthen, we leave the potential volcano for several hours in a dry place.

2. Demonstration of a volcanic eruption

To simulate a volcanic eruption, we need soda, 100 ml of vinegar and red watercolor paint.

With a brush, we wash the watercolor paint into a glass of vinegar.

The more dye there is, the more spectacular the eruption will be.
It is better to put the cone in a dish or bowl so that our “lava” does not stain the table, and pour 2 teaspoons of soda into the conditional crater.

After that, slowly pour the colored vinegar into the soda crater.

If you have not confused or regretted the components, then you will witness a unique spectacle - the eruption of a homemade man-made volcano.

Such an elementary chemical-geographical experiment can be demonstrated to your own children, who are going through a period of passion for the history and nature of the Earth. Such a number looks no less impressive in the lessons at school - in the 6th grade, in the process of studying the topic "Lithosphere".