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

Find out whether a longer airplane will fly farther or a wider paper airplane.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Aquariums are usually reserved for fish, but this aquarium will contain creatures from your child's imagination!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

This experiment explores how listening in to a one-sided conversation affects concentration.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Cleaning can be a chore, but not with this sudsy experiment!