Q: What is the measure of change in velocity of a moving object? Choices: - transmission - vibration - kinetic energy - acceleration A:
acceleration

(Question)
Q: Friction causes the molecules on rubbing surfaces to move faster, which produces what? Choices: - life - precipitation - cold - heat A:
(Answer)
heat

Ques: Q: What force increases a slide downhill and decreases a slide uphill? Choices: - nuclear - frictional - tension - gravity A:
Ans: gravity

(Q).
Q: Biomass, solar, wind, water, and geothermal power are examples of what kinds of energy resources? Choices: - mechanical - electrical - fossil fuel - renewable A:
(A).
renewable

Ques:Q: When does a baby double in length and triple in weight? Choices: - terrible twos - fetal stage - pre-adolescence - infancy A:

Ans:infancy

Ques:Q: Why does ice wedging occur? Choices: - water melts - water freezes - water evaporates - water expands A:

Ans:
water expands