Help your child learn about animal classification with this fun and delicious activity.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Take a dive into the candy jar with this yummy science experiment.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this activity your child will create their very own marble maze!

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.