Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Help your child make a beautiful homemade sandcastle that will last!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

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

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea explores whether talking to a plant will help it grow.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This biodiversity project examines the biodiversity in your own backyard.

Start your toy engines -- this is going to be a fast and friction-filled race!

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.