Kids need lots of things to grow up healthy and strong, and plants do, too! Can your child think of things a plant needs to grow?

Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.

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.

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Did you know that ocean water is salty, but river water is not? Find out how fresh and salt water mix together in this water cycle worksheet.

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

Need to know all about the lungs? Study up with this comprehensive lung anatomy worksheet.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

Worm your way through this soil maze, which doubles as a fun way to review the names of the different soil layers.

Use the clues in this crossword puzzle to fill in the blanks with different types of snake names. Learn interesting facts about snakes as you go!

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

This Awesome Anatomy coloring page focuses on the heart and all the different parts of it.

Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

Jaguars eat deer? Wow. Alligators, too? Are you kidding? What don't they eat? There's way more to learn about these intriguing eaters in this cool worksheet.

Take a peek inside the human eye with this eye-catching worksheet! See a simple eye diagram and learn vocabulary words that will help your kid understand sight.

Does your budding biologist know his plant parts? Get a great review of some important plant vocabulary with this info page.

Challenge your child' memory skills with this colorful worksheet. This fun printable will help with memorization skills and spatial awareness.

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

Learn more about the imposing tsunami with this worksheet about the science of tsunamis.

Did you know that our skin is actually an organ? In fact, it's the largest organ in our bodies! Learn about our skin with this anatomy sheet.

All living things have a life cycle. Learn about the different stages that a bird goes through from birth to adulthood!

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

From glaciers to mountains to wetlands, our planet has lots of different landforms. Help your child learn all about them with this fun earth science crossword.

This reading comprehension worksheet focuses on Brazil's incredible natural resources, targeting both Earth science and language arts.

Teach your child how to respect the ecosystem with a science worksheet that doubles as a coloring page. Can they identify the sources of pollution in the scene?

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.

Get outside and take a stroll! This leaf guide will give your little one a great learning experience the next time you're out at the park.