This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

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.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this project children practice the scientific method while playing with puffy paint.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

The objective of this science fair project is to investigate salt water density.

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!