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!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Create a bee garden to help shelter bees in your area.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!

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.

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

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

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

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Help your child learn about animal classification with this fun and delicious activity.

Discover which fabrics shrink the most in the wash and why.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

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

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.