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In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This science fair project idea explores the egg's thin membrane.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This experiment tests which gender is better at catching how a magician performs his tricks.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

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

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 which determines whether plants are able to get enough nutrients from different types of garbage.

This science fair project investigates why the number of visible stars changes from place to place.

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

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.