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

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

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

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.

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.

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.

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

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.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

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

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

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

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

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

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

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

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

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.

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

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

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.