Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

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.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

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.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

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

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

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Discover whether people can distinguish what a person looks like just by listening to their voice.

Science fair project that builds a magnetometer and demonstrate its uses.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

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

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.