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

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

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!

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.

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.

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

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

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

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

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.

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.

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

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

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This science fair project idea produces varying pitches of sound.

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science fair project idea produces sounds by creating vibrations using different objects.

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

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

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

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!

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

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.