20 Simple Science Experiments for Kids (Ages 6–10)

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Introduction

Science becomes much more exciting when children can see it, touch it, and experiment with it. Simple science experiments help kids understand basic scientific ideas while having fun at the same time.

For children between 6 and 10 years old, hands-on activities are one of the best ways to build curiosity and encourage problem-solving skills. Many interesting experiments can be done at home or in the classroom using simple materials like water, paper, balloons, baking soda, and food coloring.

In this article, BrightEzy shares 20 easy science experiments for kids that are safe, fun, and educational. These experiments introduce important concepts such as chemical reactions, air pressure, density, electricity, and plant growth.

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1. Baking Soda Volcano

Materials

• Baking soda
• Vinegar
• Dish soap
• Food coloring
• Small bottle or cup

What Happens
When vinegar is added to baking soda, a chemical reaction creates bubbles of carbon dioxide gas, making the mixture erupt like a volcano.

What Kids Learn: Chemical reactions.

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2. Floating and Sinking

Materials

• Bowl of water
• Coins, plastic toys, paper clips, leaves

Activity
Ask children to guess which objects will float and which will sink.

What Kids Learn: Density and buoyancy.

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3. Magic Milk Experiment

Materials

• Milk
• Food coloring
• Dish soap
• Cotton swab

What Happens
When soap touches the milk, colors swirl around because soap breaks the surface tension of the milk.

What Kids Learn: Surface tension.

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4. Walking Water

Materials

• 3 cups
• Food coloring
• Paper towels

Activity
Colored water moves from one cup to another through paper towels.

What Kids Learn: Capillary action.

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5. Rainbow in a Glass

Materials

• Sugar
• Water
• Food coloring

Activity
Create layers of colored water with different sugar amounts.

What Kids Learn: Density differences.

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6. Static Electricity Balloon

Materials

• Balloon
• Dry hair or wool cloth

Rub the balloon on hair and stick it to a wall.

What Kids Learn: Static electricity.

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7. Balloon Rocket

Materials

• Balloon
• String
• Straw
• Tape

When air leaves the balloon, it moves forward along the string.

What Kids Learn: Air pressure and motion.

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8. Homemade Lava Lamp

Materials

• Bottle
• Oil
• Water
• Food coloring
• Effervescent tablet

What Kids Learn: Density and gas bubbles.

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9. Invisible Ink

Materials

• Lemon juice
• Cotton swab
• Paper

Write a message with lemon juice and reveal it using gentle heat.

What Kids Learn: Chemical change.

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10. Growing Sugar Crystals

Materials

• Sugar
• Water
• Stick or string

Leave the solution for a few days to grow crystals.

What Kids Learn: Crystallization.

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11. Paper Bridge Strength Test

Materials

• Paper
• Books or coins

Try folding paper in different shapes to see which bridge holds the most weight.

What Kids Learn: Engineering design.

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12. Pepper and Soap Trick

Materials

• Water
• Black pepper
• Dish soap

Soap pushes pepper away on water.

What Kids Learn: Surface tension.

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13. Egg in Salt Water

Materials

• Egg
• Salt
• Water

The egg sinks in plain water but floats in salt water.

What Kids Learn: Density.

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14. Growing a Bean Plant

Materials

• Bean seeds
• Cotton
• Water
• Cup

Kids can observe the plant growing over several days.

What Kids Learn: Plant growth.

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15. Shadow Experiment

Materials

• Flashlight
• Small toys

Change the distance between the light and the object.

What Kids Learn: Light and shadows.

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16. Magnetic Hunt

Materials

• Magnet
• Metal objects

Kids search for objects that magnets attract.

What Kids Learn: Magnetism.

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17. DIY Compass

Materials

• Needle
• Magnet
• Water
• Leaf or cork

The needle will point north after magnetization.

What Kids Learn: Earth’s magnetic field.

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18. Dissolving Sugar Experiment

Materials

• Sugar
• Hot water
• Cold water

See which dissolves sugar faster.

What Kids Learn: Solubility.

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19. Air Takes Space

Materials

• Glass
• Paper towel
• Bowl of water

Place a paper towel inside a glass and turn it upside down in water.

What Kids Learn: Air occupies space.

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20. Simple Water Filter

Materials

• Plastic bottle
• Sand
• Gravel
• Cotton

Filter dirty water through layers.

What Kids Learn: Water purification basics.

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Conclusion

Science experiments help children learn by doing, observing, and discovering. These simple activities make science exciting while teaching important concepts in a practical way.

Parents and teachers can use these experiments to encourage curiosity, creativity, and problem-solving skills in young learners.

At BrightEzy, we believe that learning should always be fun, interactive, and easy to understand. By exploring simple science experiments, kids can develop a lifelong interest in science and discovery.