Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

Do you ever see shapes in the stars at night? In ancient times, people named these shapes, and now we know them today as constellations!

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

Natural resources are crucial for sustaining life on the planet. Encourage your child to get to thinking about plants, one of Earth's natural resources.

In this word scramble, children solve a riddle by identifying which things are made of plants and which are not.

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.

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

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

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

Discover how water flows in this informative environmental science worksheet!

Investigate the mystery of why two tomato plants developed so differently!