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

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair project idea examines whether people can decode scrambled messages.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Cleaning can be a chore, but not with this sudsy experiment!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Word color association is just a fancy way to talk about the way we connect colors with words.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.