These are the largest tortoises in the world, yet they are only two inches long when they hatch! That's one of the facts you can learn from this worksheet.

Don't get too afraid of this cockroach, he lives all the way in South Africa! And he is one of many brand new species discovered in the past two years.

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

We all know the famous equation E = MC^2. But what does it mean? Learn a bit more about Einstein's famous energy equation with this physical science worksheet.

Trace the lines to place the clothes within the correct season they belong to then write the name of the season that matches the picture.

As your child matches up the body systems vocabulary with the correct definitions, she'll boost her life science knowledge and have fun doing it!

Build nature vocabulary with this habitat-matching worksheet!

Help your child learn about the nervous system and the digestive system with this fun worksheet, which will challenge his knowledge of physiology.

Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science worksheet.

Play a fun game that combines the periodic table with a classic concentration game.

Learn all about essential laboratory equipment with this hands-on worksheet for fourth and fifth graders!

How do trunks, claws, and flippers help animals? Discover how animals use different parts of their body to meet their needs in this kindergarten and first-grade life science worksheet!

Discover different types of energy with this third- and fourth-grade science worksheet!

Children get to know animals of South America in this nature-themed worksheet.

How could a fin, large ears, or sharp claws benefit an animal? Find out how body parts can help animals meet their needs in this engaging kindergarten and first-grade worksheet!

Have fun learning about food chains in this charming science worksheet!

Can your little geologist identify the three main types of rock? Test his earth science savvy with a matching activity.

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

Did you know there is a tortoise who is over 100 years old? Learn some interesting animal facts with this cut and paste matching activity!

Practice geology vocabulary with this challenging crossword puzzle.

As your kindergarten kid learns the five senses, use this worksheet to help her associate new words with different tastes.

Children learn about the animals that inhabit Australia in this tracks-matching activity.

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.