Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!