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.

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

This worksheet teaches your student about physical change vs chemical change, matter, mass, and property. An exciting experiment reinforces the concepts.

Learn some basic chemistry with this worksheet about the universal solvent: water. Find out why water is called the universal solvent.

This worksheet teaches your child about physical properties of water, specific heat, kinetic energy and more.

With two simple yet fun experiments, this worksheet covers the interesting topic of cohesion and adhesion of water.

In this engaging chemistry worksheet for middle grades, students learn about how concrete is made and how it is used in our society.

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

Did you see the announcement in 2016 about new elements added to the periodic table? Put these new periodic elements flashcards in your study toolkit.

Explore and classify matter using particle models with this chemisty worksheet!

Get to know the periodic table with this fun scavenger hunt-themed worksheet! 

To understand electricity, you have to get down to the basics. Explore the literally microscopic world of electrons to get a grasp on electricity.

Explore chemical equations with this middle-grade science worksheet!

Young scientists are the only hope for finding the missing information from these elements of the periodic table!

Lab mice have stolen information from these elements! Students must set everything back in order using the provided periodic table of elements.

Boost your chemistry skills by filling in the missing information about the elements, using the included periodic table.

There's been a periodic table of the elements robbery! Channel your chemistry detective skills with this fun worksheet.

Give middle-grade students a painless beginner's introduction to the periodic table of elements with this fun worksheet.

These elements are all out of sorts! Can you check out the periodic table to find the missing information from each element?

Can middle-grade chemists recover the missing information about these elements from the periodic table?

Some devious mice have stolen important information from the periodic table. Can middle-grade chemists put the elements back together again?

This colorful worksheet builds an early chemistry foundation, giving middle school students practice with the periodic table of elements.

Important information has gone missing from the periodic table. Can you fix up these elements so that they read the right way?

This painless--even fun!--worksheet gets middle-grade students practicing with the information in the periodic table of elements.

All attention on atoms in this amazing activity!

Crunch the atomic numbers of different elements in this worksheet!

Get a brief history of the atom with this introductory page for young physicists!

Learn the basic structure of an atom with this introductory page, complete with a fun experiment they can try at home!

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