In what ways are you being physical activie in a typical day?

How hot is the suns corona? (integrated science)

How does a large body of water, such as the ocean, influence climate?

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium