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

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

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

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.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

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

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!