Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.