What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Investigate the mystery of why two tomato plants developed so differently!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Track the traits passed down from parent to offspring!

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Can you identify the difference between inherited and acquired traits?

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

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

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

In this animal-based life science worksheet, students will learn that animals inherit certain traits from their parents.

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Dive into the electrifying concept of electrical energy in this colorful worksheet!

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

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

Explore the applications of electrical energy with this helpful second-grade worksheet!

Who will win the marble race in this two-page physical science worksheet?

In this worksheet, children practice identifying animals of North America by their tracks.

Use this cool 2-page worksheet to make your own big dipper clock!

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

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

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

Learn how seeds move with this second- and third-grade matching activity!

Unearth fossils in this explorative third-grade worksheet!