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Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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.

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Have your child kick off their summer vacation by making a miniature water slide!

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

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.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

This project concerns activity happening millions of miles away, on the sun.

This project examines various algorithms to determine the ideal algorithm for a strategy game.