This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea explores whether talking to a plant will help it grow.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project idea examines liquids of different densities.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea experiments with spinning color wheels and optical illusions.

The purpose of this science fair project is to build a basic radio.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This science fair project idea explores whether color affects a person's emotional state.

This science fair project idea explores whether white light can be separated into different colors.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

This science fair project idea investigates how color affects temperature.

This science fair project idea explores which fruit molds the fastest.

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project idea researches the effects of acid rain on plant growth.

This science fair project idea deals with the qualities of shade on a sunny day.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project examines how seeds hitchhike on animals and clothing.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

This science fair project idea produces varying pitches of sound.