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In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project investigates why the number of visible stars changes from place to place.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

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

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

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

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

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

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project idea explores whether color affects a person's emotional state.

The objective of this science project is to determine the length of time for different seeds to germinate.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.