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

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.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

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

The objective of this science fair project is to explore whether superabsorbent polymer or hyrdrogel crystals have the best waterabsorbency.

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

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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

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 cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This project examines various algorithms to determine the ideal algorithm for a strategy game.

This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

This science fair project idea quantifies the effect of specific food sources on red worm (Eisenia foetida) livelihood.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science project researches the correlation between barometric pressure and wind velocity.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this cool science project, model how impact craters form on the surface of the moon.