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Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.