What is energy? Energy is the ability to do work! Use this colorful worksheet to teach your little scientist the basics of energy.

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

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

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

After your child fills in this review sheet on chemical and physical properties, it's a good idea to hold onto it for future test review!

The periodic table of the elements is full of helpful information. Figure out how to read the periodic table with this helpful guide.

This diagram of a human skeleton is labeled with 12 major bones, from skull to fibula.

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

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.

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.

Children label the eight planets of our Solar System in this simple astronomy worksheet.

This solar system worksheet guides your child through the order of the planets. Use this solar system worksheet to learn about the planets in the Milky Way.

Test your knowledge of the periodic table of the elements with this quiz page!

This word search is all about owls! Your child will learn a few different species of owl as he looks for them in the word search.

Learning about the functions of plant parts doesn’t have to be puzzling! Review the parts of a plant with this crossword for first and second graders.

The earth is always changing and moving.Learn all about weathering and erosion with this worksheet.

The water cycle plays a big role in weather patterns. Color this water cycle chart and get familiar with this cycle at work.

Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.

Here's a beautiful science page to help your child learn the different types of clouds.

There are a lot of structures that make up a new plant, called a seedling. Your child will learn what they're called with this life science word search.

Use this Inside-Out Anatomy worksheet to learn about the digestive system.

For those of you studying human anatomy, here is a great diagram of the major organs in our body!

Take a look into the layers of the earth with this soil science sheet! Your little digger can learn about the different soil layers and what lives in each one.

Use this blank periodic table to work on your memorization of the table for your next quiz!

Test your students' knowledge and memory of periodic table elements with this crossword puzzle.

Learn all about hurricanes in this earth science Q&A.

Learners will use a word bank to label 15 parts of the human digestive system in this life sciences diagramming activity.

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.