This science fair project idea explores which fruit molds the fastest.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Cleaning can be a chore, but not with this sudsy experiment!

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This project explores ways to prevent static electrical shocks.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

In this science fair project, students use the streak test to tell minerals apart from each other.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Check out this cool science fair project on identifying rocks and minerals for kids.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

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.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Here's a science activity to help your child investigate how seeds are designed to travel.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.