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

Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

Draw the phases of the moon in this earth sciences worksheet!

Help your student become aware of everyday energy use with this fill-in-the-blank worksheet.

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

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

Explore magnetism with this colorful science worksheet for third and fourth graders!

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

Explore the vast ocean with this habitat worksheet for second and third graders!

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

Look for natural resources around a farm in this engaging worksheet for second and third graders!

Explore a wetland habitat with this engaging short-answer worksheet for second and third graders!

Explore a tropical rainforest habitat and its inhabitants with this engaging worksheet for third graders!

Uncover the plant life of an icy tundra with this habitat worksheet for second and third graders!

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

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

Learn more about a tide pool habitat with this life science worksheet for second and third graders!

Determine if certain animals could live in a temperate deciduous forest with this habitat worksheet for third graders!

Discover how seeds move to new places with this cut-and-paste worksheet for second and third graders!

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

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

Third grader today, astrophysicist tomorrow! Let your child research their planet of choice, and discover everything from the number of moons to temperature.

Our ecosystems need a protector; is your third grader up to the challenge? Identify harmful pollutants in a science worksheet that doubles as a coloring page.

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!

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Get to know the residents of the reef with this coral reef-themed crossword, perfect for expanding life science knowledge and working on vocabulary, too!

Get to know each of the Seven Summits, then organize their heights into a graph.