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.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

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 lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

Test your skills as a weather forecaster, and learn some science terms on the way!

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 how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

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 about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

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.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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.