Students explore clouds. In this clouds lesson plan, students talk about, write about, and paint clouds to gain an understanding of clouds.

Students monitor their calorie intake and energy expenditure. They keep track of daily data in a journal and assess and adjust their diets as appropriate.

[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will learn to calculate the percent composition of a compound either from mass data or from the chemical formula. They will use...

Resource contains and example problem and solution of how to compute percent compound within a mixture when given the mixture's mass and element percents.

In this activity, students calculate the percent composition of a mixture of two arsenic-containing minerals. Step-by-step support and feedback is provided for students who need additional help.

[Free Registration/Login may be required to access all resource tools.] Students will use a chemical formula or mass data to calculate the percent composition of a compound, and then calculate the empirical or molecular formula for a...

[Free Registration/Login Required] Students explore how percent abundances of different isotopes affect the average atomic mass for that given element. Students form connections between the average atomic mass and a person's body mass....

Explanation of how to calculate empirical and molecular formulas.

This online textbook chapter provides learners with advanced-level reading and practice material on stoichiometry