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This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

Think about the adaptive utility of an important aspect of our physiology.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

Start your toy engines -- this is going to be a fast and friction-filled race!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

The goal of this project is to create an exciting topographical map out of dough.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This fascinating science fair project explores eye color genotypes.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Science fair project that examines the biodiversity of ant populations in various locations.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.