CI Investigation 5 Question Preview (ID: 46326)
Heat And Energy Transfer.
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How much heat (in calories) is needed to raise 140 grams of water from 20 degrees C to 25 degrees C?
a) 700 calories
b) 2,800 calories
c) 3,500 calories
d) 500 calories
How much heat (in calories) is needed to raise 250 grams of water from 80 degrees C to 87 degrees C?
a) 1,750 calories
b) 20,000 calories
c) 21,750 calories
d) 6,960 calories
A measure of the average kinetic energy of the individual particles is called
a) heat
b) temperature
c) convection current
d) thermal energy
If two objects have different temperatures, heat will flow
a) from the warmer object to the colder object
b) up and then sink
c) from the colder object to the warmer object
d) back and forth from one object to the other object
How are thermal energy, heat and temperature related?
a) Only heat and temperature are related.
b) They are not related.
c) Temperature measures heat which caused thermal energy.
d) Thermal energy that is transferred from matter at a higher temperature to matter at a lower temperature is called heat.
How does a glass of juice become cold when you add ice to it?
a) The ice makes the glass colder so the juice becomes colder.
b) The juice is warmer than the ice. Heat travels in one direction until both items are the same temperature.
c) Ice is colder than the juice. The cold travels from cold to warm until both items are the same temperature.
d) The ice cools the glass of juice because the slow moving particles in the ice cause the particles of the juice to slow down.
A fast-moving particle (A) and a slow-moving particle (B) collide. What happens to the kinetic energy when the particles collide?
a) Energy transfers to particle A.
b) Energy transfers to particle B.
c) Energy transfers to both particles.
d)
A fast-moving particle (A) and a slow-moving particle (B) collide. Which particle has more kinetic energy after the collision?
a) Particle A
b) Particle B
c) A and B have the same kinetic energy
d)
What happens to a substance when heat is added?
a) The particles gain kinetic energy and temperature decreases.
b) Particles gain kinetic energy and collide more frequently.
c) Particles gain kinetic energy and nothing else happens.
d) The particles gain kinetic energy and temperature increases.
What does it mean for a system to be in 'equilibrium'?
a) The system is balanced and no energy transfer is taking place.
b) There is the same amount of fast particles as slow particles.
c) There is a lot of net energy transfer taking place.
d) The fast moving particles have sucked up all the energy and the slow moving particles have completely stopped.
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