Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

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.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.