Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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 design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

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.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.