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

This project compares the strength of one, two, and three-ply toilet paper.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Create a self-portrait from natural materials in this collage craft activity!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

This project investigates the affect of storage temperature on microwave popcorn.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this experiment we will be determining whether birds prefer certain colors of seed.

This science fair project idea explores how length affects the weight a bridge can hold.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this project students experiment with making music using only glasses of water.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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