Strike It Rich

Use a striking world map to display where species-rich biological hot spots are located. Introduce ecology learners to biodiversity and the reasons why hot spot organisms are threatened or endangered. Emphasize the importance of these...

Students identify the composition of different pennies. In this chemistry lesson, students use a post 1982 penny to observe chemical change. They explain how to turn a penny from copper to gold.

In this resources worksheet, high schoolers compare and contrast physical and chemical properties and changes. Students review the periodic table, pattern of atomic numbers and chemical reactivity. This worksheet has 56 short answer...