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This experiment investigates if small changes in your diet can alter your basal body temperature.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea determines what household items are good conductors of electricity.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This experiment explores how listening in to a one-sided conversation affects concentration.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

This science fair project idea studies past and current fads and trends.

In this project students experiment with making music using only glasses of water.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

Explore convex and concave objects and how they reflect light.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.