Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

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

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

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.

The objective of this science project is to investigate patterns in fingerprints among family members.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Investigate which substances are most effective at removing salt from water.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This project examines the affect of temperature on viscosity and surface tension of different liquids.