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

Your young cosmonaut will work on reading comprehension, story sequencing, and creative writing while he's diving into the far reaches of our universe.

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

Hey, did you hear that? Explore real-life examples of sound energy with this kindergarten and first-grade worksheet!

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

See if you can identify the objects that let light pass through them with this kindergarten and first-grade worksheet!

What does a seal eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

Help your child learn about sensory language as they write a 5-senses poem.

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

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

If a ship went down, would these items sink or float? Your little one will decide, with this fun worksheet to help him hone sorting and categorizing skills.

Predict the weather with this fun-filled forecasting worksheet! Your child will review basic weather terms and practice her observation skills.

Did you know that having a pouch or a shell can help an animal meet its needs? Learn how animals use different parts of their body with this matching worksheet for kindergarteners and first graders!

Describe how things feel when you touch them and push on them!

Learn about the similarities and differences between objects in this colorful science worksheet!

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

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

Test your memory skills as you review the different types of animal body coverings with this animal memory match game!

Prepare for an exciting experiment with this cut-and-paste lab safety worksheet for first and second graders!

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

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

These two children sure look alike -- maybe because they're twins!

Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

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!

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

Print out a set of weather-themed postcards to give your child practice identifying seasons. These weather postcards also allow kids to practice writing skills.