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

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Find out whether putting something on top of a plant will inhibit its growth.

Test the placebo effect in different groups of people.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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?

This science project has students study the idea of human beauty.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea compares the cuteness reaction between genders.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

Determine which video game elevates the heart rate best and burns the most calories.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

This science fair project explores whether musicians are better than non-musicians at distinguishing and understanding speech in noisy environments

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

This science fair project idea designs safe bicycle routes using GPS.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

This science fair project idea examines whether boys and girls differ in reflexes.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Does nail polish really slow the growth of nails? Explore in this science fair project idea.