Learn the ins and outs of one of the body's most important organs: the heart!

Learn about the plants and animals that make deciduous forests their home, then complete the crossword puzzle.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

Learn step by step how to create a report! Research facts about camels, complete the sentences, then use the sentences to create a report about camels.

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

Help your child read this page about the Sumatran rhinoceros, where they can color an illustration as they learn about why this animal is endangered.

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.

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

Introduce your student to an endangered species, Przewalski's horse, with this information sheet. They can color the illustration as they read.

Get swept up in this comprehensive worksheet about the awesome power of dust storms.

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

Where do flower babies come from? Find the answers in this word search about plant reproduction!

Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.