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

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

Help your 2nd grader write out fractions in this underwater adventure.

Study the night sky with this hands-on science worksheet for third and fourth graders!

Study ecosystem changes with this drought-focused worksheet for fourth and fifth graders!

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

The food chain is an important life science concept for fouth graders. This game makes it fun to learn!

Searching for a worksheet to help your fourth grader with science? This printable will help him with geology.

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

Sandy the bee is going to a party tonight. Encourage your 2nd grader to help him get there on time by drawing hands on the clock for him.

This worksheet gives your fifth grader some skeleton know-how, as she fills in the diagram with the bones from the wrist to the fingertips.

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