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.

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

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

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

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

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

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

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

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

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

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.

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.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

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.