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

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.

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!

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

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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.

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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.

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

This biodiversity project examines the biodiversity in your own backyard.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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 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.