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

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

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!

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

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!

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.

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!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science fair project teaches students about wilting and browning of salad greens.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

This science fair project examines how seeds hitchhike on animals and clothing.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

In this project children practice the scientific method while playing with puffy paint.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Slip some science into storm watching with a homemade rain gauge!