Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This science fair project idea determines if the color of light affects the growth of plants.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project idea produces sounds by creating vibrations using different objects.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This project examines what types of objects burn and which burn faster and cleaner.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this science fair project, students create their own miniature salt flats at home.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea explores the different properties & interactions of sugar molecules.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!