Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

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

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!