Friction causes an object to lose energy.
Dear ashlee, the heat in the reentry phase is due to friction between the spacecraft and the air.
Spacecraft that are reentering the atmosphere lose energy.
Orbiting spacecraft reentering the Earth's atmosphere

[a] lose energy
[b] dormant state
[c] to move people
[d] migrate
[e] inactive
[f] threatened
[g] rays or beams
[h] It decreases