Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

Let your little weather observer discover the four seasons! She'll match up each season with its proper picture to show her knowledge of how weather changes.

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

Fossils have a lot to teach us about life on earth, but they can also be used to help teach kids the scientific method.

Ever wonder what the earth is made of? Practice reading and writing, and learn about the four layers of planet Earth.

Here are four examples of mineral resources for kids to think about, plus a short explanation of what a mineral resource is.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Discover the animals and plants of the past in this fossil-focused worksheet!

Do you wish to boldly go where no astronaut has ever gone? Blast off with this coloring page that features four new planets for you and your crayons to explore.

Unearth fossils in this explorative third-grade worksheet!

A fill-in-the-blank exercise on tornadoes, made for fifth grade science students.

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!

Analyze fossils with this engaging third-grade science worksheet!

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Explore how Earth’s surface can change in this investigative second-grade worksheet!

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

Dig into the past with this third-grade worksheet all about fossils!

Uncover secrets of the past with this third-grade worksheet about fossils!

Illustrate each season with this engaging first- and second-grade weather worksheet!

Discover some of the ways that Earth’s natural resources are used in this first-grade worksheet!

Discover the phases of the moon with this third- and fourth-grade space science worksheet!

This water cycle worksheet is great for 5th grade scientists. Try this water cycle worksheet with your child as a review for test preparation.

Discover the impact of water on Earth’s landscape with this fourth-grade erosion worksheet!