These math cards are printable quiz cards to challenge your first grader's overall knowledge.

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

Children work on pattern-spotting and observation skills as they determine which of these six type of creatures is a bird.

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.

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

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.

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

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

Analyze an axolotl with this kindergarten and first-grade worksheet!

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

Observe different forces at work with this kindergarten and first-grade worksheet!

Match baby animals with their parents in this kindergarten and first-grade worksheet!

Dive into a coral reef habitat with this second- and third-grade worksheet!

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

Observe the life cycle of an oriole with this second- and third-grade worksheet!

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

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

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

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

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

Decide which plants could live in a grassland with this second- and third-grade worksheet!

Explore everyday forces with this first- and second-grade science worksheet!

Determine which plants would survive in a pond with this second- and third-grade worksheet!

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Learn about the life cycle of a wood frog in this second- and third-grade worksheet!

Decide which plants could survive in the desert with this second- and third-grade habitat worksheet!