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What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea investigates how the shape of an object affects drag.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

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

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

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

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

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

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.