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.

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

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This science fair project idea determines which method of hand cleansing is the most effective.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science fair project idea investigates whether plants can survive being frozen.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.