Make a backbone model to explore human anatomy and life science.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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

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.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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 simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

This science fair project will help students learn about non-vascular plants, such as mosses.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This project compares the strength of one, two, and three-ply toilet paper.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.