Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

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

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

This experiment investigates whether smell can be used to enhance test subjects' memories.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

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

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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

Demonstrate how tracks are formed by pressing your hand into a cornmeal mixture, then reverse the process and make prints of the track.

This science fair project idea measures physical dexterity as a function of temperature.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

This science fair project idea determines if the temperature of rubber effects how high it bounces.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

The objective of this experiment is to evaluate the effects of acid rain on plants.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.