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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!

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!

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

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.

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.

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!

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this experiment you will replicate the mummification process by making a hot dog mummy.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea determines which method of hand cleansing is the most effective.