This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

This science fair project idea tests the efficiency of short term memory.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This fascinating science fair project explores eye color genotypes.

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

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

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

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

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Determine whether the application of Febreeze will lower the bacterial count.