Fourth graders examine matter and the periodic table of elements. In this matter lesson, 4th graders discuss atoms and their composition. Students explore the periodic table of elements and use it to spell words out of the elements.

Studdnts research ancient texts and compare ancient Greek atomic theories, as used in the production of silver, to modern theories.

In this Chemistry 1A worksheet, students review, molecular weight, solubility, endothermic reactions, and number of protons, neutrons, and electrons for elements. Students review Lewis Structures and how to predict the amount of product...

In this chemistry, students draw the Lewis structures of 20 covalent compounds. They demonstrate how the lone pairs are distributed in the molecule.

In this lipids learning exercise, students review the different types of lipids and how lipids are used by the body. This learning exercise has 3 drawings and 27 fill in the blank statements.