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

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Dive into the electrifying concept of electrical energy in this colorful worksheet!

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

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

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

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Describe how things feel when you touch them and push on them!

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

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

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

Learn about the similarities and differences between objects in this colorful science 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.

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.

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?

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

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.

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.

Who will win the marble race in this two-page physical science worksheet?

Use this cool 2-page worksheet to make your own big dipper clock!

Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

Can't go to the zoo? We bring the zoo to you! Check out the fulvous whistling duck, a bird with social skills and the willingness to share each other's nests.