In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

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

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Make a lei and bring a touch of the tropical lifestyle into your home!

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Is your child a young ornithologist in the making?

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!