In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

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 science fair project will help students learn about non-vascular plants, such as mosses.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Do you think heat can affect a plant's growth rate?

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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 explores how osmotic pressure forces water through the root up into the plant.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Help your child make a beautiful homemade sandcastle that will last!

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.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Examine the effect of pressure on carbonation in soda.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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!

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.