This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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.

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

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 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.

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

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!

In this project, the affect of acid rain is simulated by the acid, vinegar.

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!

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

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

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.

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

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 idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

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

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

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

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 project tests the hypothesis that dark colors absorb more heat than light colors.

In this project, different brands of microwave popcorn are tested and compared.

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