Future scientists are introduced to the chemical consequences of burning fossil fuels, learning that fossil fuel combustion leads to the formation of oxides of three nonmetals: carbon, nitrogen, and sulfur, all of which end up in the...

Students describe how elements are arranged on the periodic table. They compare metals, nonmetals, and metalloids based on their properties and on their locations in the periodic table. Students describe the differences between a...

Students explore the world of mining and explain its importance in daily life. After describing how companies search for mineral deposits, they examine the environmental consequences of mining as well as the positive aspects. The...