Know that interactions occur between matter and energy.

Know that matter has physical and chemical properties and can undergo physical and chemical changes.

Know that there is a relationship among force, motion, and energy.

Know that natural events and human activity can impact Earth systems.

Know components of our solar system.

Know that there is a relationship between organisms and the environment.

Know that populations and species demonstrate variation and inherit many of their unique traits through gradual processes over many generations.

Know that living systems at all levels of organization demonstrate the complementary nature of structure and function.

Know that a living organism must be able to maintain balance in stable internal conditions in response to external and internal stimuli.