Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

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

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

This science fair project teaches students the differences between fruits and vegetables.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

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

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?

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

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

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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

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.