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Total questions: 53

Worksheet time: 3hrs 40mins

Name
Class
Date
1.

Which will heat up faster?

a)

copper

b)

granite

c)

iron

d)

basalt

2.

Which will heat up slower?

a)

water

b)

lead

c)

granite

d)

iron

3.
If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?
a)
100 mL
b)
1000 mL
c)
They both heat up at the same speed
d)
They cool down.
4.

How much energy is needed to raise the temperature of 5.0 grams of lead from 25°C to 35°C? [specific heat (c) = 0.129 J/(g•°C)]

a)

6.45 J/(g•°C)

b)

6.45 J

c)

16.1 J/(g•°C)

d)

d.16.1 J

5.

The temperature of a 6.0 g sample of glass changed from 20.0°C to 45.0°C when it absorbed 550 J of heat. What is the specific heat of this glass?

a)

0.27 J/g °C

b)

3.7 J/g °C

c)

130 J/g °C

d)

12 J/g °C

6.

Which of the following best explains why the sand at the beach is hotter than the water?

a)

Sand has a higher specific heat than water.

b)

Sand has a lower specific heat than water.

c)

There is more water than sand at the beach.

d)

There is more sand than water at the beach.

7.
When a  piece of aluminum foil is taken out of the oven and cools from 100° to 50°, What is the change in temperature?
a)
50°
b)
0°
c)
100°
d)
150°
8.
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
9.
The amount of energy required to raise the temperature 1ºC for every kilogram is called____?
a)
Thermal Energy
b)
Specific Heat
c)
Temperature
d)
Kinetic Energy
10.
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
11.
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
12.
Specific heat of water is  4.18 J/g°C. Specific heat of wood is 1.760 J/g°C What material needs more heat energy to raise the temperature?
a)
Water
b)
Wood
c)
Both are same
13.
Object A has a specific heat of 4.45 J/g⁰C and object B has a specific heat of 1.82 J/g⁰C. Which object will heat up faster?
a)
Object A, it has a lower spefici heat
b)
Object B, it has a lower specific heat
c)
Object A, it has a higher specific heat
d)
Object B, it has a higher specific heat
14.
Graphite has a specific heat of 0.709 J/g⁰C. If a 20 gram piece of graphite is cooled from 38⁰C to 18⁰C, how much energy was lost by the graphite?
a)
283.6 J
b)
183.6 J
c)
203 J
d)
109 J
15.

What is specific heat capacity?

a)

The measure of a substance's resistance to change in temperature

b)

The amount of energy required to change a substance from solid to liquid state

c)

The ability of a substance to conduct electricity

d)

Amount of heat required to raise the temperature of a 1kg of a substance by one degree Celsius

16.

How do you calculate specific heat capacity?

a)

By counting the number of atoms in the substance

b)

By measuring the volume of the substance

c)

Using the formula E = mc^2

d)

Using the formula Q = mcΔT

17.

Give an example of a real-life application of specific heat capacity.

a)

Sleeping

b)

Reading

c)

Cooking

d)

Swimming

18.

Use the formula in the picture: Aluminum has a specific heat capacity of 900J/kg°C. How much heat does a 5kg piece of aluminum absorb if its temperature increases by 10°C?

a)

45 J

b)

0.45 J

c)

450 J

d)

4500 J

19.

How does specific heat capacity play a role in cooking food?

a)

It affects the texture of the food after cooking.

b)

It determines the amount of heat needed to cook different types of food.

c)

It determines the color of the food when cooked.

d)

It determines the price of the food in the market.

20.

A pot of water is boiled from 20 °C to 100 °C. What is the ΔT ?

a)

20 °C

b)

100 °C

c)

40 °C

d)

80 °C

21.

What does Q represent in:


Q=m*c*ΔT

a)

Energy Flow

b)

Mass

c)

Specific Heat Capacity

d)

Change in temperature

22.

How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22 °C to 55 °C, if the specific heat of aluminum is 0.90 J/g°C

a)

297 J

b)

450 J

c)

698 J

d)

802 J

23.

How much heat is required to raise the temperature of 8.0 g of water by 10.0°C? The heat capacity of water is 4.184 J/g°C.

a)

128 J

b)

160 J

c)

250 J

d)

335 J

24.

50 g of a metal absorbs 900 J when it is heated from 25 °C to 85 °C. What is the specific heat of the metal?

a)

0.7 J/g°C

b)

0.3 J/g°C

c)

1.2 J/g°C

d)

2.0 J/°C

25.

A 500 gram cube of lead is heated from 25 °C to 75 °C. How much energy was required to heat the lead? The specific heat of lead is 0.129 J/g°C.

a)

2029 J

b)

555 J

c)

3225 J

d)

5030 J

26.
What unit do you use to measure Thermal Energy?
a)
J/Kg ºC
b)
Kg
c)
ºC
d)
J
27.

What letter is used to represent specific heat capacity?

a)

H

b)

P

c)

C

d)

T

28.
What is the measurement of the average kinetic energy of a substance?
a)
Kinetic energy
b)
Temperature
c)
Thermal energy
d)
Potential energy
29.
What is a substance that does NOT conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
30.
What is a substance that DOES conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
31.
What is the energy of the movement of particles in a substance?
a)
Potential energy
b)
Kinetic energy
c)
Thermal energy
d)
Temperature
32.
Heat transfers from an area of ________temperature to an area of ______ temperature.
a)
high to low
b)
low to high
c)
high to high
33.
If an object has particles that are moving very quickly, the object 's temperature is probably _____.
a)
cold
b)
slow
c)
big
d)
hot
34.

What is Q in Q=C*M*ΔT

a)

Energy Required

or Needed to change the temperature of a substance.

b)

Specific Heat

c)

Mass

d)

Change in Temperature

35.

What is M in Q=C*M*TΔ

a)

Mass

b)

Energy Required

or Needed to change the temperature of a substance.

c)

Specific Heat

d)

Change in Temperature

36.

What is C in Q=C*M*ΔT

a)

Mass

b)

Specific Heat

c)

Change in Temperature

d)

Energy Required

37.

What is ΔT in Q=C*M*ΔT

a)

Mass

b)

Specific Heat

c)

Energy Required

d)

Change in temperature

38.

How to calculate Q

a)

Q=C*M*ΔT

b)

C=Q/M*ΔT

c)

M=Q/C*ΔT

d)

Final Temp - Initial Temp

39.

How to calculate Mass

a)

Q=C*M*ΔT

b)

C=Q/M*ΔT

c)

M=Q/C*ΔT

d)

Final Temp - Initial Temp

40.

How to calculate ΔT

a)

Final Temp - Initial Temp

b)

Q=M*C*ΔT

c)

M=Q/C*ΔT

d)

C=Q/M*ΔT

41.

How to Calculate C

a)

C = Q/M*ΔT

b)

M = Q/C*TΔ

c)

Q=C*M*ΔT

d)

Final Temp - Initial Temp

42.

If  Q=mcΔTQ=mc\Delta T  , what is ΔT\Delta T   

a)

ΔT=Qmc\Delta T=\frac{Q}{mc}  

b)

ΔT=mcQ\Delta T=\frac{mc}{Q}  

c)

ΔT=Qmc\Delta T=Qmc  

d)

ΔT=mQc\Delta T=\frac{m}{Qc}  

e)

c=QmΔTc=\frac{Q}{m\Delta T}  

43.

The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?

a)

66.5 J

b)

665 J

c)

0.0266 J

d)

0.665 J

44.

During which phase change does a substance absorb energy?

a)

Sublimation

b)

Melting

c)

Condensation

d)

Freezing

45.

What is the process called when a gas turns into a liquid?

a)

Condensation

b)

Deposition

c)

Sublimation

d)

Melting

46.

Temperature is a measure of the average kinetic energy of the (a)     in a substance.

47.
Conductors are materials that...
a)
Allow heat to pass through
b)
Stop heat from passing through
c)
Allow cold to pass through
d)
Stop cold from passing through
48.
Most metals are good conductors of heat.
a)
True
b)
False
49.

George holds an ice cube in his hand. As he squeezes the ice, it begins to melt. Which of the following best explains why this happens?

a)

George absorbs heat from the ice.

b)

Heat moves from George's hand into the cube and warms it.

c)

Cold moves from the ice onto George’s hand as it melts.

d)

George releases cold to the ice.

50.

In general materials with a low specific heat make good _____________ of thermal energy.

a)

conductors

b)

insulators

51.
The energy transferred between objects that are at different temperatures.
a)
Radiation
b)
Convection
c)
Thermal Conduction
d)
Heat
52.
A measure of the average kinetic energy of the individual particles in an object is called:
a)
thermal energy
b)
conduction
c)
convection
d)
temperature
53.

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

a)

one reaches a temperature of zero

b)

they both have an equal temperature

c)

one runs out of energy

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