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This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

This science fair project idea measures physical dexterity as a function of temperature.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Learn how different types of soil affect how animal tracks form in this experiment!

This science fair project idea discovers the principle of conservation of mass.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Check out this cool science fair project on identifying rocks and minerals for kids.