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.

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

Practice describing different objects and substances in this colorful worksheet!

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

A coloring sheet of a Mars rover searching for life on other planets.

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

In this worksheet, children will learn about the intricate "waggle dance" honeybees use to communicate to each other.

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

Get into the habit of recycling food waste and other household materials by making your own compost pile!

Read about how the capybara live and other interesting facts about capybara. Sure to satisfy your curiosity about capybaras!

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

Prepare students for an upcoming science lab with this helpful worksheet!

This worksheet helps kids understand variations in animals and how the same kind, or species, can sometimes look different from each other.

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

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

Track down some of the most famous animals of the Amazon -- and other places -- with this rainforest coloring page that doubles as a life-science lesson.

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

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.

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

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Unearth fossils in this explorative third-grade worksheet!

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

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.

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.

Take a trip down to the deep blue sea and learn about the life cycle of a fish! Fish go through the same stages of life as many other living things.

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!

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.