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Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

This science fair project idea examines the reason boats are shaped and engineered.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.