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This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Discover which battery composition (type) lasts the longest.

Examine the effect of pressure on carbonation in soda.

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This project determines what category of person is most likely to be ticklish.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This project will explore whether music influences physical endurance.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This project examines whether more expensive golf balls translate into better results on the golf course.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

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