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WorksheetsHeat
Total questions: 15
Worksheet time: 30mins
Name
Class
Date
1.
What is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q = m Cp ∆T
b)
Q = m Cp
c)
Q = ½ m v
d)
m = Q Cp
2.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
3.
The specific heat is the amount of energy needed to raise the temperature one degree Celsius of 1 gram of a substance.
a)
True
b)
False
4.
Heat is a form of _______________.
a)
movement
b)
energy
c)
melting
5.
My hands feel warm because
a)
The temperature is cold outside
b)
The molecules are moving
c)
The heat is transferring
6.
When heat transfers from warmer to cooler, the molecules
a)
move closer and slow down
b)
move closer and speed up
c)
spread out and slow down
d)
spread out and speed up
7.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
8.
Walking on the warm sand sand with your bare feet.
a)
conduction
b)
convection
c)
radiation
9.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
10.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy. What material would be the coolest after being heated?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
11.
How does heat flow?
a)
Always from cold to warm
b)
Always from warm to cold
c)
Both warm to cold & cold to warm
d)
It depends on the temperature
12.
An instrument used to measure heat
a)
Thermometer
b)
Fahrenheit
c)
Celsius
d)
Cold
13.
___________ is measured by the unit Joules.
a)
Heat energy
b)
Temperature
c)
Specific heat
14.
When cold water is added slowly to warm water they will slowly blend over time evenly through the entire liquid. Which BEST explains the reason the heat moves throught the liquid?
a)
The densities of the liquids are similar.
b)
Cold liquids rise and hot liquids sink causing mixing.
c)
Molecules creates chemical bonds the help spread energy.
d)
Heat always moves from higer temperatures to lower temperatures.
15.
How does removing heat change the particles in a closed system?
a)
Particles move apart
b)
Particles slow down and break apart
c)
Particles move faster and potentially change phases
d)
Particles move slower and potentially change phases
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