Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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.

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea investigates whether plants can survive being frozen.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science research project challenges students to think of more effective lobster farming methods.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Demonstrate how to tell the age of an egg without having to crack it open.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Examine the effect of pressure on carbonation in soda.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.