The periodic table of the elements is an important classification system of the most basic particles that make up our world!

Learn all about the basic parts of a plant with a fun word scramble! Your child will un-scramble the letters to name different parts of a pretty plant.

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

Observe and record the weather with your kindergartener with this cute fill-in weather graph.

Young botanists test their plant know-how with this quiz.

Draw the phases of the moon in this earth sciences worksheet!

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

For all you mad scientists, here is a helpful lab safety 101! You'll get to read a few basic rules, and then complete a word search.

Got a kid who loves rocks? Encourage your little geologist to learn about the 3 major rock types with this worksheet.

Help your child practice her spelling and vocabulary with this fun worksheet! Discuss with your child what it means to be cold-blooded.

Start from water cycle precipitation from clouds and match parts of the cycle to this clear colorful image of a simple water cycle, using the helpful paragraph.

This cute worksheet prompts your first grader to find out what characteristics are shared by amphibians, and then circle the animals that fit that category.

Let your little weather observer discover the four seasons! She'll match up each season with its proper picture to show her knowledge of how weather changes.

Challenge your first grader to put these plant life cycle stages in the correct order with this fun beginning biology sheet.

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.

Help your child learn weather words with this climate-themed word search.

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.