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

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.

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.

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

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.

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

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

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.

Teach your little scientist the difference between physical and chemical changes, on a molecular level.

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

Your child will learn how electricity is made and used by drawing pictures of household products that use electricity to create light, heat, and motion.

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

Are students studying electricity? Give them a break from the scientific nitty-gritty with this fun word search full of electricity terms!

Play a fun game that combines the periodic table with a classic concentration game.

Can your child tell what will be attracted by a magnet? Challenge him to think about why magnets attract certain objects.

Children put their science vocabulary to the test with this engaging crossword puzzle!

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.

Children hone their powers of observation using this worksheet template.

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.