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.

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

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!

Little space explorers, meet Mercury, the closest planet to the sun! This planetary coloring page comes with some fun facts about Mercury.

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

Use this simple graphic organizer to map out a new word and explore it in depth.

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

If your student is stuck on Celsius, hand him this multiplication and division practice sheet.

The animal names on this third grade science and spelling worksheet are all mixed up! Kids unscramble reptile and bird names to complete the worksheet.

Sometimes measuring liquids scientifically is tricky. Give your budding scientist some practice, by reading measurements on graduated cylinder illustrations.

This Awesome Anatomy coloring page shows how blood circulates through your body.

Understand nature's visual cues for the shifting of the seasons with this tree seasons match-up activity!

That's not a lake... it's a crater! Get the scoop on some of the world's most well known craters with this space science worksheet.

Introduce students to the third step of the engineering design process with this helpful template!

Hug a tree! It can be a home to many different animals. Can you identify the different shelters used by animals in this picture?

This worksheet combines the five senses with the fun and interesting topic of weather predictions!

Tree climbers and tree huggers alike, learn the basics of reading tree rings to find out about the life of a tree.

Explore the circle of life with this informative coloring sheet! Help your student color and learn the names of each stage of a dragonflyâs life.

Test your kindergartener's understanding of the parts of a dolphin with this adorable, fill-in-the-blank dolphin chart.

Just like all plants and animals, you go through different stages in life too! Help your child to see how he will change and grow throughout his life.

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

Little scientists can learn about a fundamental concept of physical science with this worksheet all about density!

Learn all about how to convert kilograms to pounds in this weight conversion worksheet.