Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

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

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Your child can use Styrofoam, green paint and toothpicks to create her own cactus plant sculpture.

Science fair project that tests whether cats have a preference for organic food.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Hunt for natureâs treasure, the many different products made by trees!

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

Use a dichotomous key to identify plants or animals.

Learn about the growing app design field by designing a new or improved app for smartphones.

This science fair project idea experiments with spinning color wheels and optical illusions.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project allows students to study the psychology of happiness.

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

This science project challenges high school students to study the linguistic evolution of text messaging.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

This science fair project idea provides evidence that air is everywhere and takes up space.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.