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

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

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.

This lizard can grow to over six feet long! Color the Golden Spotted Monitor Lizard, one of several brand new species discovered between 2009 and 2011.

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.

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

Learn about the texture and hardness of different objects in this second-grade worksheet!

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

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

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Budding inventors can get a fun review of the simple machines with this word search.

Worm your way through this soil maze, which doubles as a fun way to review the names of the different soil layers.

Can you help Cornelius create a crazy compost concoction? Help your child review his knowledge of compost and recycling with this fun worksheet.

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

Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

Learning about the functions of plant parts doesn’t have to be puzzling! Review the parts of a plant with this crossword for first and second graders.

Practice identifying living and nonliving things with this first- and second-grade science worksheet!

Match each animal to its home in this first- and second-grade life science worksheet!

Gear up to go into the science lab with the help of this activity!

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

Dive into habitat studies with this second- and third-grade worksheet!

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

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

See which snail has gotten the farthest with this 2nd grade measurement snail race worksheet.

Natural resources are crucial for sustaining life on the planet. Encourage your child to get to thinking about plants, one of Earth's natural resources.

The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.