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!

What a wonderful world word search! See if you can find all 10 of the Earth-related terms in the word search.

Budding paleontologists will refer to a word bank to identify 10 dinosaur-related vocabulary words in this playful word search puzzle.

Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

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

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

Review energy terminology with this fun fourth-grade crossword puzzle!

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

Kids find forest animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

Kids find grassland animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

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!

To complete this worksheet your first grader will need to match the different animals with their homes.

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

Review the terminology of collisions with this engaging crossword puzzle for fourth graders!

For all you mad scientists, here is a helpful lab safety 101! You'll get to read a few basic rules, and then complete a word search.

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

What's the weather like today? Here's a word search perfect for any budding meteorologist.

Teach your 1st grader about bees with this fun fact worksheet. Play Sudoku to challenge her logic puzzle skills!

Let your 1st grader become a mad scientist in this fun science board game, and encourage her to become a lover of the interesting subject.

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.

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

Help your child learn weather words with this climate-themed word search.