Science experiments are a great way to explore different aspects of science and learn something new. Whether you’re looking for a fun way to spend an afternoon with your kids or you’re a student searching for a science project for school, there’s no shortage of science experiments you can do. Here’s a list of some of the most popular science experiments that you can do at home or in the classroom.

1. Make a Baking Soda Volcano

The classic baking soda and vinegar volcano is a classic science project that’s been around for decades. It’s a great way to get kids interested in science and to teach them about chemical reactions. To make a baking soda volcano, you’ll need baking soda, vinegar, a container, food coloring (optional), and a bottle or cup. Start by mixing two tablespoons of baking soda with two tablespoons of vinegar in the container. Then, add food coloring if desired. Next, pour the mixture into the bottle or cup and watch as the volcano erupts.

2. Create a Tornado in a Bottle

This science experiment is a fun way to show kids how tornadoes work. To make a tornado in a bottle, you’ll need two empty plastic bottles, water, a funnel, and tape. Start by filling one of the bottles with water and then attach it to the other bottle using the funnel and tape. Then, turn the bottles upside down and swirl them around in a circular motion. This will create a mini tornado inside the bottle.

3. Grow Crystals

Growing crystals is a fun and easy science experiment that’s perfect for kids. To make crystals, you’ll need a glass jar, water, and a crystal-growing solution. Start by pouring the crystal-growing solution into the glass jar and then adding the water. Place the jar in a warm, dark place and wait for the crystals to form. You can also add food coloring to the jar to create different colored crystals.

4. Make an Egg Float

This science experiment is a great way to teach kids about density and buoyancy. To make an egg float, you’ll need a glass of water, an egg, and some salt. Start by adding a teaspoon of salt to the glass of water and stirring until it’s completely dissolved. Then, gently place the egg in the glass and observe. The egg should float because the salt water is denser than the egg.

5. Build a Hovercraft

This science experiment is a great way to teach kids about air pressure and the principles of flight. To build a hovercraft, you’ll need a Styrofoam plate, a balloon, scissors, tape, and a straw. Start by cutting the balloon in half and then stretching one half over the Styrofoam plate. Then, cut a hole in the center of the plate and insert the straw. Finally, blow into the straw to make the hovercraft move.

6. Make a Lava Lamp

Lava lamps are a fun way to teach kids about density and chemical reactions. To make a lava lamp, you’ll need a clear plastic bottle, water, vegetable oil, food coloring, and an effervescent tablet (like Alka Seltzer). Start by filling the bottle with water and then adding the vegetable oil. Next, add a few drops of food coloring and then drop in the effervescent tablet. As the tablet dissolves, it will create a lava lamp effect.

7. Learn About Osmosis

This science experiment is a great way to teach kids about osmosis. To learn about osmosis, you’ll need two glasses of water, a potato, and some salt. Start by filling one glass with water and the other with a solution of water and salt. Then, cut the potato into two pieces and place one piece in each glass. Observe the potato pieces and note any changes over time. The potato in the salt water should become softer because of osmosis.

8. Make a Lava Lamp in a Bottle

This science experiment is a great way to teach kids about density and chemical reactions. To make a lava lamp in a bottle, you’ll need a clear plastic bottle, water, vegetable oil, food coloring, and a bottle cap. Start by filling the bottle with water and then adding the vegetable oil. Next, add a few drops of food coloring and then put the bottle cap on tightly. As the bottle is tipped over, the oil and water will mix to create a lava lamp effect.

9. Create a Tornadic Cloud

This science experiment is a great way to teach kids about tornadic clouds and how they form. To make a tornadic cloud, you’ll need two glasses of water, a straw, and some food coloring. Start by filling one glass with water and adding a few drops of food coloring. Then, fill the other glass with water and put the straw in it. Finally, blow through the straw into the colored water and observe what happens. A tornadic cloud should form as the air and water mix.

10. Build a Solar Oven

This science experiment is a great way to teach kids about solar energy and how it can be used to cook food. To build a solar oven, you’ll need a cardboard box, aluminum foil, black construction paper, and a clear plastic bag. Start by lining the inside of the box with aluminum foil and the outside with the black construction paper. Then, place the clear plastic bag inside the box and seal it shut. Finally, place the box in direct sunlight and wait for the food inside to cook.