Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.