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Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Construct and experiment with a periscope using reflected light rays to gather an image.

The purpose of this science fair project is to build a basic radio.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

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

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

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

This project explores whether music affects the growth and health of plants.

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

Science fair project that illustrates the properties of black holes in space.

This experiment will examine and precisely measure the amount of sugar in various sodas.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.