This science fair project teaches students the differences between fruits and vegetables.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

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!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

This science fair project idea investigates how color affects temperature.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

This science fair project idea explores whether white light can be separated into different colors.