Which of the following scenarios demonstrates a transfer between kinetic energy and potential energy?
a using a playground slide.
b
going up and down stairs.
C bouncing on a trampoline.
d all of the above.
Check it

c

Explanation:

bouncing on a trampoline

D: All of the Above

Explanation:

I checked C and was wrong so trust me it is D

Substances can change phase—often because of a temperature change. At low temperatures, most substances are solid; as the temperature increases, they become liquid; at higher temperatures still, they become gaseous. The process of a solid becoming a liquid is called melting.