Get to know your Jurassic from your Cretaceous in this handy geologic time periods chart.

What happens to water after it rains? Learn about the stages of the water cycle in this colorful worksheet!

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Discover how water flows in this informative environmental science worksheet!

Discover how cover crops enrich soil and support healthy crop growth with this research-based worksheet for fourth and fifth graders!

Discover Earth’s four major systems, or spheres, in this engaging fifth-grade worksheet!

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

Learn what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!

What is Pluto? According to scientists... no, not quite. Find out more behind the answer to that age-old question.

How was our solar system created? Read a bit about one of the most well-known theories in this worksheet about the Big Bang.

Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.

Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science worksheet.

Shake up your science studies with this worksheet about earthquakes.

Water covers 70% of Earth’s surface—but where exactly is it? Find out in this fifth-grade worksheet!

This earth sciences worksheet offers a simple and informative overview to a fascinating geological phenomenon.

Discover Earth’s different spheres with this fourth- and fifth-grade earth science activity!