Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

How powerful is the reaction between baking soda and vinegar? Find out here!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

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

Making your own glass cleaner is easy, effective and inexpensive!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project idea explores whether talking to a plant will help it grow.

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!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!