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Check out this cool and free middle school science fair project idea on how to make a solar oven.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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.

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

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.