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