This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

The objective of this science fair project is to investigate salt water density.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

This science fair project determines which type of physical activity most improves memory.

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

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Test the placebo effect in different groups of people.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

This science fair project determines the quality of a given product.

This science fair project idea determines how quickly germs and bacteria spread.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Explore the relationship between personality traits and birth order effects.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.