Cranium, noodle, melon, noggin...the human skull has been called a lot of things over the years. Here are the proper names for each part.

Let your little weather observer discover the four seasons! She'll match up each season with its proper picture to show her knowledge of how weather changes.

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

Fossils can tell us about life on earth, but they can also teach kids the scientific method.

Practice describing different objects and substances in this colorful worksheet!

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

Listen to the sounds of everyday life in this science worksheet!

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Let your scientific skills shine as you decide which objects will let light pass through in this kindergarten and first-grade worksheet!

Ready for liftoff? Take to the starry skies with this worksheet that explores the three basic types of galaxies.

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

This ultra cute coloring page features three adorable sea otters enjoying their freshly caught lunch in their ocean home!

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

Got a kid who loves rocks? Encourage your little geologist to learn about the 3 major rock types with this worksheet.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

This is not your average coloring page. Using only the three primary colors, mix your paints together to form as many colors as possible.

In this worksheet, children identify and illustrate four things all plants need to grow. They then answer three simple research questions about plants.

What does a butterfly eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

Consider the factors that affect magnetic forces in this informative third- and fourth-grade worksheet!

Your child will write about his or her favorite animal. Kids will research their favorite animals online or at the library, then write down three facts.

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this worksheet.

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

Look up into the night sky, and you may see three prominent stars side by side. This is Orion's belt, one of the most well known constellations!

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

Unearth fossils in this explorative third-grade worksheet!

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

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.