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The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

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

Here's an arts and crafts guide for your high-school teenager that'll help her create a naturalist drawing and painting.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

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!

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

This science fair project idea explores whether the color of surroundings affects human mood.

Test the placebo effect in different groups of people.

Evaluate the efficacy of different pain management techniques.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Science fair project that designs a video game that requires players to use relevant skills.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

This easy at-home experiment is a great way to "see" science.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea demonstrates sonar mapping of the ocean floor.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

This basketball project explores the best way to make the perfect shot every time.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Here's a simple science activity that will help your child better understand how wells bring us water.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this activity, your child will be challenged to make a tower using paper cups.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This science fair project idea studies the differences in gender perception between people.