Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

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

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

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

Break down a word to create new ones with this fun worksheet for second through fifth graders!

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

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

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

Aspiring astronomers, get ready for a stellar coloring page all about the moon! Your child can read some fun facts as he colors.

How many machines can you find around the house? You may find them where you least expect it!

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

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

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

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

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

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

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

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.

Blue whale facts include that calves weigh up to three tons at birth and adults can be as heavy as 200 tons. Get other cool blue whale facts on this worksheet.

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

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

Does your second grader love farm animals? This easy writing exercise will help your child be more observant about tracks left by some familiar animals.

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

Explore a forest habitat with this life science worksheet for second graders!

Search for natural resources at the beach in this engaging worksheet for second and third graders!

Detect animal defenses in this hands-on worksheet for kindergarteners through second graders!

Construct your own map with this hands-on science worksheet for second graders!

Identify the life cycle of a butterfly with this hands-on worksheet for second and third graders!