This project will examine the relationship between materials and air resistance.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

In this activity, your child will reference Matisse and also learn about patterns.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

Challenge your high school student to find the flaw in this short mathematical proof that one is equal to two.

Your kindergartener will learn basic math concepts and create a beautiful keepsake with this African flag reference book.

Help your child learn how to protect the environment by creating a useful reference for the family with this recycling poster.

Does your child need counting help? Here's a simple game that kids can do at home to help them practice counting to two-digit numbers.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Make an "I'm NOT Bored" book filled with your child's favorite activities, to reference the next time she has the urge to declare, "I'm bored."

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

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science project establishes a "breakability index" - basically to assess how much damage is done in different circumstances.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Discover the science behind materials that absorb heat, and materials that don't, by constructing this cork trivet for your dinner table.

A scarecrow Halloween craft featuring recycled materials.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

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

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Examine how a battery can be made from everyday materials.

Compare the ignition rates of various types of flame-retardant materials.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Make beautiful print block art with your kids using recycled materials.

Make a homemade doll out of recycled materials, similar to dolls made by pioneer children.

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