A student heats a liquid on a burner. What happens to the portion of liquid that first begins to warm? It loses energy. It becomes less dense. It sinks downward. Its molecules get closer together.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Match each scenario to the form of energy it represents

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)