This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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.

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

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

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

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

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.

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Find out whether putting something on top of a plant will inhibit its growth.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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