Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

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

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

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

These are the largest tortoises in the world, yet they are only two inches long when they hatch! That's one of the facts you can learn from this worksheet.

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Learn all about essential laboratory equipment with this hands-on worksheet for fourth and fifth graders!

Search for natural resources with this fun worksheet for second and third graders!

Discover different types of energy with this third- and fourth-grade science worksheet!

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

Learn about the plants and animals that make deciduous forests their home, then complete the crossword puzzle.

The insect order Hemiptera consists of True Bugs such as Stainers, Assassin Bugs, Leaf-Footed Bugs, and this Boxelder Bug.

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.