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.

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

Help students deepen their understanding of matter with this chemisty worksheet!

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

Practice diagramming atoms and using the periodic table to pull information about atoms with this quiz page.

Practice using the periodic table to calculate the number of neutrons in the atom of an element.

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

Explore elements and compounds in the context of particle models and chemical formulas!

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

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

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

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