In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair project teaches students about wilting and browning of salad greens.

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

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This project determines what category of person is most likely to be ticklish.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.