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.

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

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.

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science worksheet.

Did you know that trees have more parts than just the trunk, branches and leaves? Take a look on the inside of a tree with this fill-in-the-blank diagram!

We all know the famous equation E = MC^2. But what does it mean? Learn a bit more about Einstein's famous energy equation with this physical science worksheet.

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

A fill-in-the-blank exercise on tornadoes, made for fifth grade science students.

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

This colorful, cut-and-paste worksheet teaches your kindergartener the parts of a volcano.

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

Test your kindergartener's produce proficiency by challenging her to separate the fruit and veggies from other foods on this worksheet.

Learn what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!

Here is a fresh and fruity way to learn a bit of life science. Sit down with your little one and teach them all the different parts of an apple!

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.

Practice identifying seasons with these printable weather postcards. Kids will see how different weather patterns affect how they dress with seasonal postcards.

Tree climbers and tree huggers alike, learn the basics of reading tree rings to find out about the life of a tree.

Brrr, it's cold outside! In this worksheet, kids practice reading thermometers to figure out what the temperature is.

After he fills in the blanks, your student can hold on to this worksheet on hydrogen for reference when preparing for tests and quizzes on physical science.

In this puzzle, children will trace the names of the seasons, then cut them out and paste them below the correct picture.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Children are introduced to the concept of the speed of light in this illustrated worksheet.

This charming worksheet helps your kindergartener learn about jets, as he pastes the words next to their places in the jet diagram.

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

This research, drawing, and writing worksheet is a fun introduction to informational and science writing.