Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

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.

Science fair project that determines whether mass and weight are the same or different.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This project researches whether the type of land use affects the water quality of Queenstown Creek.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

This science fair project idea studies the differences in gender perception between people.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.