Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Can cells be frozen? This science fair project provides information to answer this question.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This project examines whether people's taste perception is influenced by what they see.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

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?

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

This science fair project teaches students about wilting and browning of salad greens.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

This science fair project idea raises awareness of a real ecological issue.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

How powerful is the reaction between baking soda and vinegar? Find out here!

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!