(Question)
Q: What is the process called in which a magnet loses its magnetic properties? Choices: - polarization - vectorization - diffusion - demagnetization A:
(Answer)
demagnetization

(Question)
Q: In classical physics, momentum is a simple product of mass and this? Choices: - acceleration - speed - direction - velocity A:
(Answer)
velocity

(Question)
Q: What causes a meteoroid to vaporize after it enters the atmosphere? Choices: - gravitational pull - atmospheric pressure - spontaneous combustion - friction with atmosphere A:
(Answer)
friction with atmosphere