What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

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

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.

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!

Help young learners discover why catÃs eyes glow in the dark with this simple experiment

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.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

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.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

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.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

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 first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

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.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

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.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.