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

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

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

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

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

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

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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!

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

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.

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

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

This science fair project idea produces varying pitches of sound.

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

An home science experiment for older students that teaches about the science behind heat.

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.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

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

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.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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!

This science fair project idea experiments with spinning color wheels and optical illusions.

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.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.