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Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Compare the ignition rates of various types of flame-retardant materials.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

This science fair project idea investigates the relationship between memory and age.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

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

This science fair project idea investigates how images are influenced by changes in light.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

Science fair project that builds a magnetometer and demonstrate its uses.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Compare different remedies for cooling the mouth after eating spicy food.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Free science fair project idea examining how different types of water affect plant germination and growth.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This experiment uses personality assessments to evaluate the prevalence of specific character traits in left-handed and right-handed people