222+ Amazing Science Project Ideas for Kids

Find easy and fun science project ideas for kids! Simple experiments that help kids learn and have fun with science.

Looking for fun science projects? Science is all about having fun and learning! You can make slime with glue. Want to see colors? Try a rainbow in a jar or grow crystals with salt. You can also play with magnets to see how they stick or push away.

You can even make a lava lamp with oil, water, and food coloring, or grow a bean in a jar. Simple machines like pulleys are fun too! You only need basic supplies like baking soda, glue, and food coloring. Ready to try some cool experiments? Let’s go!

Science Project Ideas for Kids PDF

Why Science Projects are Great for Kids

Check out teh core reasons why science projects are geat for kids:

Science Project Ideas for Kids

Here are some of the best science project ideas for kids:

Biology Science Projects for Kids

1. Watch plants grow in sunlight vs. darkness.
2. Test if different liquids affect plant growth.
3. See how different temperatures affect bacteria.
4. Study how ants behave in different environments.
5. Grow mold on bread and observe.
6. Test how different foods affect plant growth.
7. Observe how flowers bloom with sunlight.
8. Watch how seeds grow in different soils.
9. Study how insects react to light.
10. Observe how animals find food.

Earth Science Projects for Kids

1. Make a volcano erupt with baking soda.
2. Build a weather station to track weather.
3. Create a model to show the water cycle.
4. Test how water erodes different rocks.
5. Make a simple tornado in a bottle.
6. Study the layers of the Earth with a model.
7. Build a model of the solar system.
8. Investigate how clouds form with water.
9. Track weather changes with a rain gauge.
10. Observe how heat travels through different materials.

Chemistry Projects for Kids

1. Create a baking soda volcano.
2. Make slime with glue and borax.
3. Grow sugar crystals on a string.
4. Test how vinegar reacts with baking soda.
5. Make invisible ink with lemon juice.
6. Observe how rust forms on iron.
7. Separate water into oxygen and hydrogen.
8. Create a simple soap from household ingredients.
9. Test the pH of common liquids.
10. Mix oil and water to observe how they separate.

Physics Projects for Kids

1. Build a balloon rocket.
2. Test how different surfaces affect friction.
3. Make a simple pulley to lift objects.
4. Build a ramp to study how angles affect speed.
5. Test how magnets attract and repel.
6. Make a pendulum swing and time it.
7. Experiment with how levers lift objects.
8. Explore gravity by dropping objects.
9. Create a simple catapult and launch objects.
10. Test how air pressure works with a vacuum.

Space Science Projects for Kids

1. Create a model of the solar system.
2. Watch and document the moon’s phases.
3. Make a simple rocket from baking soda.
4. Create a model of a comet.
5. Study constellations by stargazing.
6. Build a model to show how craters form.
7. Explore how gravity works with objects.
8. Watch the stars to see how they move.
9. Build a rocket and launch it.
10. Study the distance between planets.

Engineering Projects for Kids

1. Build a bridge from popsicle sticks.
2. Design a marble run with paper tubes.
3. Make a simple catapult using a spoon.
4. Build a roller coaster using foam tubes.
5. Make a simple wind turbine from paper.
6. Build a water wheel to generate power.
7. Design a zipline to move toys.
8. Create a hot air balloon with a hairdryer.
9. Build a lever to lift objects.
10. Make a domino chain reaction.

Environmental Science Projects for Kids

1. Make a solar-powered car.
2. Build a simple wind turbine.
3. Start a compost pile.
4. Set up a recycling station at home.
5. Test how plastic affects plant growth.
6. Plant an eco-friendly garden.
7. Measure how much water you use at home.
8. Calculate your carbon footprint.
9. Investigate how air pollution affects plants.
10. Study how oil spills affect water.

Animal Science Projects for Kids

1. Observe how ants move food.
2. Study how animals use camouflage.
3. Test how animals react to different sounds.
4. Track animals by their footprints.
5. Observe how pets behave at different times of the day.
6. Study how fish breathe underwater.
7. Watch how bees collect pollen.
8. Set up a birdwatching station.
9. Track how animals move in different habitats.
10. Observe how animals build their nests.

Technology Projects for Kids

1. Build a simple robot with motors.
2. Make a line-following robot with sensors.
3. Build a basic digital clock.
4. Design an app to solve a simple problem.
5. Make a website using HTML.
6. Program a game using a coding app.
7. Build a small computer to learn coding.
8. Create a simple game on Scratch.
9. Make a weather station using sensors.
10. Design a simple alarm system.

Water Science Projects for Kids

1. Test how different materials filter water.
2. Build a water filter from natural materials.
3. Create a model to show the water cycle.
4. Study how water evaporation works.
5. Test how water pollution affects plant life.
6. Investigate surface tension with water drops.
7. See how water flows through different soils.
8. Study how ice melts under heat.
9. Observe how different liquids float on water.
10. Test the density of water with salt.

Weather Science Projects for Kids

1. Make a simple rain gauge.
2. Build a weather vane to track wind.
3. Create a barometer to measure air pressure.
4. Make a tornado in a bottle.
5. Study cloud formation with hot and cold water.
6. Track local weather patterns for a week.
7. Investigate how humidity affects plants.
8. Make a simple anemometer to measure wind speed.
9. Study how temperature changes affect weather.
10. Make a storm cloud in a jar.

Microbiology Projects for Kids

1. Grow bacteria from everyday surfaces.
2. Investigate how soap kills germs.
3. Make a model to show how germs spread.
4. Observe how mold grows on food.
5. Study how different temperatures affect bacteria.
6. Grow yeast to see fermentation.
7. Investigate how sunlight affects bacteria.
8. Study bacteria using a microscope.
9. Experiment with disinfectants on surfaces.
10. Test the growth of bacteria on bread.

Chemistry Projects for Kids

1. Make a baking soda volcano.
2. Make slime with borax.
3. Create a crystal garden with salt.
4. Test how vinegar reacts with baking soda.
5. Mix different liquids to see what happens.
6. Make invisible ink using lemon juice.
7. Test how sugar dissolves in water.
8. Make soap and explore its chemistry.
9. Experiment with rust on iron.
10. Study how chemicals change with heat.

Physics Projects for Kids

1. Make a balloon rocket to study motion.
2. Build a lever to lift objects.
3. Test how different surfaces affect rolling objects.
4. Make a pendulum and measure its swing.
5. Build a simple pulley to lift things.
6. Test how magnets attract or repel objects.
7. Build a ramp to study speed and gravity.
8. Test how much weight a bridge can hold.
9. Build a simple catapult to launch things.
10. Measure how sound travels through different materials.

Space Science Projects for Kids

1. Build a model of the solar system.
2. Study moon phases using a paper model.
3. Build a rocket from baking soda.
4. Track stars to learn about constellations.
5. Study the distance between planets.
6. Make a comet model from clay.
7. Observe the phases of the moon.
8. Make a model to show how craters form.
9. Test gravity with different objects.
10. Observe planets using a simple telescope.

Engineering Projects for Kids

1. Build a popsicle stick bridge.
2. Make a marble run with paper.
3. Build a simple catapult.
4. Create a wind turbine with paper.
5. Design a simple pulley system.
6. Make a zipline to carry objects.
7. Build a hot air balloon with a hair dryer.
8. Design a bridge to hold weight.
9. Make a simple water wheel.
10. Build a lever to lift heavy items.

Environmental Science Projects for Kids

1. Create a solar-powered car.
2. Start a composting project.
3. Build a small wind turbine.
4. Measure your family’s energy use.
5. Recycle materials into art.
6. Plant a garden to attract bees.
7. Study the impact of air pollution.
8. Track your water usage.
9. Build a birdhouse for wildlife.
10. Test how plastic affects soil.

Animal Science Projects for Kids

1. Observe how ants work together.
2. Study how birds find food.
3. Track animal footprints.
4. Study animal camouflage in the wild.
5. Observe how pets behave at different times.
6. Test how pets react to different sounds.
7. Watch how fish swim in tanks.
8. Create a habitat for an animal.
9. Observe animal behavior at a zoo.
10. Track migration patterns of birds.

Technology Projects for Kids

1. Build a simple robot.
2. Create a game with coding.
3. Build a basic website.
4. Make a simple robot arm.
5. Design a simple app.
6. Program a robot to move.
7. Create a simple alarm system.
8. Build a temperature sensor.
9. Create a model of a smart home.
10. Design a simple electric circuit.

Water Science Projects for Kids

1. Build a water filter from natural materials.
2. Study how water evaporates.
3. Test how water pollution affects plants.
4. Create a model to show the water cycle.
5. Test how different materials float in water.
6. Build a simple water wheel.
7. Study how water moves through soil.
8. Make a simple aquifer model.
9. Observe how ice melts in different temperatures.
10. Test how salt affects water density.

Simple Science Projects for Young Kids (Ages 5-7)

Here are some of the simple science projects for young kids:

Magic Milk

Materials: Milk, food coloring, dish soap, cotton swab.

Steps:

• Pour milk into a dish.
• Add food coloring.
• Dip the cotton swab in dish soap and touch it to the milk.

What They Learn: Soap makes the colors move.

Color Mixing

Materials: Clear cups, water, food coloring.

Steps:

• Fill 3 cups with water.
• Add food coloring to each cup.
• Mix two cups together to make a new color.

What They Learn: Mixing colors makes new ones.

Floating and Sinking

Materials: Water, small objects (rock, toy).

Steps:

• Drop objects in the water.
• See which ones float and which sink.

What They Learn: Some objects float, others sink.

Homemade Playdough

Materials: Flour, salt, water, food coloring.

Steps:

• Mix 2 cups of flour and 1 cup of salt.
• Add 1 cup of water and mix.
• Add food coloring.

What They Learn: Mixing makes playdough.

Growing a Seed

Materials: Pot, soil, seeds, water.

Steps:

• Plant seeds in the soil.
• Water them and wait.

What They Learn: Seeds grow into plants.

Bouncing Egg

Materials: Egg, vinegar.

Steps:

• Place an egg in vinegar.
• Wait 2-3 days.
• Bounce the egg gently.

What They Learn: Vinegar softens the eggshell.

Tornado in a Jar

Materials: Jar, water, dish soap, glitter.

Steps:

• Fill the jar with water.
• Add dish soap and glitter.
• Spin the jar.

What They Learn: Spinning water creates a tornado.

Dancing Raisins

Materials: Soda, raisins.

Steps:

• Pour soda into a glass.
• Drop raisins in.
• Watch them move up and down.

What They Learn: Bubbles make the raisins move.

Ice Cube Melting Race

Materials: Ice cubes, salt.

Steps:

• Put ice cubes on separate plates.
• Sprinkle salt on one cube.
• See which melts faster.

What They Learn: Salt makes ice melt faster.

Cloud in a Jar

Materials: Jar, hot water, ice cubes, hairspray.

Steps:

• Pour hot water in the jar.
• Spray hairspray in the jar.
• Put ice cubes on top.

What They Learn: Clouds form from water vapor.

These projects are fun and easy to try!

Intermediate Science Projects for Older Kids (Ages 8-10)

Here are some of the intermediate science projects for older kids:

Baking Soda Volcano

What You Need: Baking soda, vinegar, bottle, dish.

Steps:

• Add baking soda to the bottle.
• Pour in vinegar and watch it bubble!

Why It’s Fun: The bubbles explode like a volcano!

Lava Lamp

What You Need: Water, oil, food coloring, Alka-Seltzer.

Steps:

• Fill a bottle with water and oil.
• Add food coloring.
• Drop in Alka-Seltzer and watch the bubbles!

Why It’s Fun: Bubbles move like a lamp!

Invisible Ink

What You Need: Lemon juice, cotton swab, paper.

Steps:

• Write a message with lemon juice.
• Heat the paper to reveal the message.

Why It’s Fun: You can make secret messages!

Rain Gauge

What You Need: Plastic bottle, ruler, tape.

Steps:

• Cut the bottle.
• Tape it upside down.
• Measure rain with a ruler.

Why It’s Fun: You can see how much it rains!

Static Balloon

What You Need: Balloon, wool fabric, paper.

Steps:

• Rub the balloon on wool.
• Hold it near paper and watch it jump!

Why It’s Fun: Make things move with electricity!

Solar Oven

What You Need: Pizza box, foil, plastic wrap.

Steps:

• Line the box with black paper.
• Cover with plastic wrap.
• Place it in the sun to cook food.

Why It’s Fun: The sun can cook!

Water Filter

What You Need: Plastic bottle, sand, cotton, dirty water.

Steps:

• Layer cotton and sand in the bottle.
• Pour dirty water through.

Why It’s Fun: Clean water comes out!

Lemon Battery

What You Need: Lemon, copper coin, zinc nail, wire.

Steps:

• Put the coin and nail in the lemon.
• Use the wire to light a small bulb.

Why It’s Fun: Lemons can make electricity!

Density Tower

What You Need: Honey, dish soap, water, oil.

Steps:

• Pour honey into a glass.
• Add the other liquids one by one.

Why It’s Fun: Liquids don’t mix and stay in layers!

Egg Drop

What You Need: Egg, cotton, tape.

Steps:

• Wrap the egg in cotton.
• Drop it from a height and see if it survives!

Why It’s Fun: Can your egg stay safe?

Advanced Science Projects for Preteens (Ages 11-13)

Here are some of the advanced science projects for preteens:

Water Electrolysis

What You Need: Water, salt, two pencils, glass jar, battery, wires.

Steps:

• Fill the jar with water and add salt.
• Attach the pencils to wires.
• Connect the wires to the battery.
• Watch bubbles form on the pencils!

Why It’s Fun: You can split water into hydrogen and oxygen!

Baking Soda Rocket

What You Need: Baking soda, vinegar, plastic bottle, cork.

Steps:

• Put baking soda in the bottle.
• Fill the cork with vinegar.
• Quickly seal the bottle and watch it launch!

Why It’s Fun: It’s like making a mini rocket!

Crystal Garden

What You Need: Salt, water, jar, string.

Steps:

• Dissolve salt in water.
• Hang the string in the jar.
• Watch crystals form on the string!

Why It’s Fun: You can grow your own crystals!

Water Filter

What You Need: Sand, gravel, cotton, plastic bottle, dirty water.

Steps:

• Layer sand, gravel, and cotton in the bottle.
• Pour dirty water through the filter.

Why It’s Fun: Make clean water from dirty water!

Solar Oven

What You Need: Pizza box, aluminum foil, black paper, plastic wrap, food.

Steps:

• Line the pizza box with foil and black paper.
• Place food inside and cover with plastic wrap.
• Set it in the sun and cook the food.

Why It’s Fun: Cook food using only the sun!

Greenhouse Effect

What You Need: Two jars, thermometers, plastic wrap, lamp.

Steps:

• Place a thermometer in each jar.
• Cover one jar with plastic wrap.
• Set both jars under a lamp and check the temperature.

Why It’s Fun: Learn how the greenhouse effect works!

Wind Turbine

What You Need: Small motor, cardboard, LED light.

Steps:

• Build a small wind turbine with cardboard.
• Attach the motor to the turbine.
• Use the wind to power the LED light.

Why It’s Fun: Make electricity from wind!

Magnetic Levitation

What You Need: Magnets, foam, stick.

Steps:

• Place magnets on foam.
• Put a stick on the top magnet.
• Watch the magnet float!

Why It’s Fun: See magnets make things float!

Homemade Electromagnet

What You Need: Iron nail, copper wire, battery, paper clips.

Steps:

• Wrap copper wire around the nail.
• Connect the wire to the battery.
• Hold the nail near paper clips.

Why It’s Fun: Make your own magnet!

Invisible Ink

What You Need: Lemon juice, cotton swab, paper.

Steps:

• Write with lemon juice using a cotton swab.
• Heat the paper to reveal the message.

Why It’s Fun: Create secret messages!

These projects are a fun way to learn about science and try hands-on experiments!

Tips for a Successful Science Project

Here are some of the best tips for a successful science project:

1. Pick a fun topic that sparks your curiosity.
2. Plan ahead by gathering materials and writing out steps.
3. Keep it simple and focus on a clear question.
4. Take notes to remember key details and observations.
5. Follow steps carefully and stay organized.
6. Ask for help if you need advice or assistance.
7. Be safe and follow safety guidelines during experiments.
8. Create a display to show your results and findings.
9. Have fun and enjoy learning through experimentation!

What is the best science project for kids?

The best science projects for kids are fun and easy to do! Here are some ideas:

These projects are easy, fun, and great for learning!

Conclusion

In conclusion, science projects are a fun way for kids to learn. They help kids understand science by doing experiments. Whether simple or more advanced, these projects spark curiosity and creativity. Kids learn to ask questions, solve problems, and try new things.

Doing science projects at home or school helps them grow and enjoy learning. Find a project that fits your child’s age and interests, and watch them get excited about science!