Use this fun frog worksheet to practice place value and expanding numbers.

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.

Quiz your kid on the names of bones in his spine with this colorful worksheet.

Learn all about the different jellyfish and then test your knowledge with the questions at the bottom of the page.

This worksheet teaches kids about animal habitats. Kids match each animal to its habitat, then draw a picture of their favorite animal in its home.

Having a pet is a big responsibility. Help your child decide which items he needs to help care for Casey the cat.

Introduce the basic concepts of sinking and floating with this fun worksheet. Your budding scientist will decide if these objects sink or float!

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

If Dorothy had lived a little further south, she might have been swept away to Oz by a hurricane.

Butterflies and moths may have very different colors, but they are from the same insect order! Learn about lepidoptera with a fun coloring page.

This colorful, cut-and-paste worksheet teaches your kindergartener the parts of a volcano.

For dinosaur lovers, this dot to dot featuring armor-plated Hylaeosaurus is sure to please.

When spring is in full bloom, be sure to get outside to smell the flowers! Your little nature lover can have fun with this flower identification activity.

Use this fill-in-the-blank chart to see how much your kindergartener knows about the parts of a bee.

Did you know butterflies have no teeth? How do you think they eat? Check out this science worksheet to learn all about it.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Tortoises lived in prehistoric times, and they looked pretty much the same then as they do today. Get to know this long-living reptile with a fun dot to dot.

You have over 600 muscles in your body! Kids can try this muscle anatomy word search featuring 14 important muscles.

This friendly-looking penguin is cute enough to cuddle, but your kindergartener can start by filling out this chart of penguin parts.

Can your child think of ways people use soil? Get her excited about Earth science with a lesson on this crucial natural resource.

Teach your fifth grader about this important bony structure with a fill-in-the-blank skull diagram.

Children get to know the tracks of familiar farm animals in this drawing activity.

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

The horned lizard has a scary exterior but a gentle personality. Your little student can learn about this North American lizard with this worksheet.

Animal flashcards are a wonderful way to help young kids build basic skills in word recognition and early-science basics.

Expand your sea creature vocabulary with this Life in the Reef worksheet!

This earth sciences worksheet offers a simple and informative overview to a fascinating geological phenomenon.

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

One of the most famous and easy to spot constellations is the Big Dipper! Formally known as Ursa Major, this constellation was named after a bear.