Q: The pressure of a sample of gas is measured with an open-end what? Choices: - thermometer - barometer - altimeter - manometer A:
manometer

Q: What is the process by which a liquid changes to a solid? Choices: - melting - vaporizing - boiling - freezing A:
freezing

Q: Q: What is the ability of an atom to emit charged particles and energy from its nucleus called? Choices: - accumulation - conductivity - power - radioactivity A:
A: radioactivity

Question: Q: What can be defined simply, as a change in position? Choices: - velocity - gravity - speed - motion A:
Answer: motion

*Question*
Q: What two forms can fluids take? Choices: - vapor or gas - water or gas - mixture or gas - liquid or gas A:
**Answer**
liquid or gas

(Q).
Q: The amount of kinetic energy in a moving object depends directly on its mass and what else? Choices: - volume - direction - density - velocity A:
(A).
velocity