The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

The objective of this science project is to investigate patterns in fingerprints among family members.

The objective of this experiment is to evaluate the effects of acid rain on plants.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

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

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

The project investigates how friction affects motion by using different surface textures.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

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 compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project idea examines which type of insulation holds in the most heat.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

Make frog feet sponge prints with your child for a fun and educational crafts activity.

This experiment investigates if stress alters body temperature.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.