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Learn how different types of soil affect how animal tracks form in this experiment!

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

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.

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.

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

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.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

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.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

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.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

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

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

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

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

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

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

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.