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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

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

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

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

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

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

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This science fair project will help students learn about non-vascular plants, such as mosses.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.