In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

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?

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

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

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

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

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

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.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.