For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Transform your uncomfortable wooden shoes into charming mini planters!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Using a toy race car kids create a visual model of the Doppler Effect.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project idea investigates how magnetism can defy the force of gravity.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

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

Learn about nature by making your own mini moss garden.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Plants and light seem to be good buddies, but how far does the friendship really go?