How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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.

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!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Slip some science into storm watching with a homemade rain gauge!

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea investigates how the shape of an object affects drag.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Help your child celebrate the summer and the sun by making a sandy seascape.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Start your toy engines -- this is going to be a fast and friction-filled race!

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!