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Heat (8-O)

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

The energy of moving particles in matter is called _____.

a)

Potential

b)

Kinetic

c)

Mechanical

d)

Chemical

2.

Heat from the sun travels to Earth by _____.

a)

Convection

b)

Radiation

c)

Conduction

d)

Insulation

3.

If an object has particles that are moving very quickly, the object 's temperature is probably _____.

a)

Cold

b)

Slow

c)

Hot

d)

Fast

4.

Which of these thermometers show a negative reading?

a)

A & C

b)

B & D

c)

C & D

d)

D & A

5.

Being warmed by fire is an example of which type of energy?

a)

Radiation

b)

Conduction

c)

Convection

d)

Insulation

6.

Which of the examples below is an example of Convection?

a)

Rubbing your hands together

b)

Heating a fish tank

c)

Basking in the sun

d)

Striking a match

7.

What kind of material that allows heat to move

through it easily?

a)

Conductor

b)

Thermometer

c)

Friction

d)

Insulator

8.

Thermal equilibrium has no transfer of energy

a)

True

b)

False

9.

What is the movement of heat within a solid or from one solid to another?

a)

Transfer of Energy

b)

Convection

c)

Conduction

d)

Insulation

10.

Heat is measured in____.

a)

Joules

b)

Kilograms

c)

Calories

d)

Both A & C

11.

Size of the average human cell is about ____ micrometers (µm).

a)

10-15

b)

35-40

c)

100-150

d)

None of these

12.

Viruses are about a _____the size of human cells.

a)

Hundredth

b)

Millionth

c)

Tenth

d)

None of these

13.

Identify the Absolute zeros:

a)

98.6◦F

b)

-459◦F

c)

-40◦C

d)

0 K

e)

-273◦C

14.

Which of these thermometers is showing the highest reading?

a)

A

b)

B

c)

C

d)

None of these

15.

For a clinical thermometer we use a solid and a liquid. The liquid used is a

a)

Metal

b)

Non metal

c)

Can be metal or non metal

d)

No liquid is used

16.

One feel sensation of heat when exposed to

a)

UV ray

b)

IR ray

c)

X ray

d)

Gamma Ray

17.

Seema is in a hurry and wants her noodles to cool down faster. She should put it on a plate made of

a)

Wood

b)

Paper

c)

Plastic

d)

None

18.

On which of the following scales of temperature, the temperature is never negative?

a)

Celsius

b)

Fahrenheit

c)

Reamer

d)

Kelvin

19.

The minimum possible temperature beyond which water can't be cooled is

a)

-98.5°C

b)

100°C

c)

-273.15°C

d)

-469.5°C

20.

Gaps are left between railway tracks because

a)

Gaps give the space to the tracks to expand in summer

b)

Gaps hold the tracks firmly

c)

To produce gentle rhythmic sound when train moves

d)

It is customary to leave the gaps

21.

Rooms are fitted with ventilators to let the air move around. The phenomenon involved is

a)

Conduction

b)

Convection

c)

Radiation

d)

Condensation

22.

A fan produces a feeling of comfort because

a)

A fan supplies cool air

b)

The evaporation of sweat

c)

Fan decreases humidity

d)

Fan increases humidity

23.

The temperature of sun is measured with

a)

Platinum thermometer

b)

Gas thermometer

c)

Pyrometer

d)

Vapour pressure thermometer

24.

Why do we wear woolen clothes in winter?

a)

Wool is a poor conductor of heat

b)

Wool is a good conductor of heat

c)

Both are correct

d)

None

25.

An object will have more heat energy if its kinetic energy is

a)

more

b)

less

c)

normal

26.

The liquid (Mercury ) rises in thermometer if, kept in hot water bath because

a)

Liquid expands on heating

b)

Liquid contracts on heating

c)

Mercury moves if its disturbed

27.

The balloon increases in size because

a)

The air inside the balloon expands on heating

b)

The air increases its weight on heating

28.

Gases expands quickly because

a)

The space between their particles is more

b)

They have weak forces between their particles

c)

Both answers are correct

29.

When particles absorb heat their ____________ energy increases

a)

Kinetic Energy

b)

Potential Energy

30.
A measure of how hot or cold something is; specifically a measure of the average kinetic energy of the particles in an object.
a)
Thermometer
b)
Temperature
c)
Absolute Zero
d)
Specific Heat
31.
An instrument that measure and indicates temperature.
a)
Thermometer
b)
Temperature
c)
Energy
d)
Kinetic Energy
32.
The temperature at which molecular energy is at a minimum (0 K on the Kelvin scale or -273.16 C) on the Celsius scale.
a)
Specific Heat
b)
Plasma
c)
Absolute Zero
d)
Conduction
33.
T = t + 273
a)
Celsius Equation 
b)
Kelvin Equation
c)
Fahrenheit Equation
34.
Tf = 1.8t + 32
a)
Kelvin Equation
b)
Fahrenheit Equation
c)
Celsius Equation
35.
On the Kelvin scale water boils at...
a)
230
b)
375
c)
290
d)
100
36.
What is normal human body temperature on the Fahrenheit scale?
a)
107.2
b)
65.4
c)
98.6
d)
100
37.
How do we measure temperature?
a)
In Degrees
b)
In Inches
c)
In Centimeters
d)
In Pounds
38.
We measure temperature in degrees...
a)
Fahrenheit
b)
Celsius
c)
Both
d)
Nothing
39.

Convert 35⁰F to Celsius (5/9 x (0F - 32))

a)

1.6⁰

b)

1.7⁰C

c)

2.0⁰

d)

16.6⁰C

40.

Convert 72⁰F to Celsius (5/9 x (0F - 32))

a)

2.2⁰C

b)

222⁰C

c)

22.2⁰C

d)

161.6⁰C

41.

Convert 103°F to Celsius (5/9 x (0F - 32))

a)

39°C

b)

394°F

c)

75°C

d)

39.4°C

42.

Which of the follow represents a normal body temperature of 98.6°F in °Celsius? 5/9 x (0F - 32)

a)

37°C

b)

370°C

c)

72.5°C

d)

72.6°C

43.

Convert 0°C to Fahrenheit (1.8 x 0C) + 32

a)

0°F

b)

1.8°F

c)

32°F

d)

3.2°F

44.

100 Celsius is ? Kelvin (K = Celsius + 273)

a)

173 K

b)

373K

c)

273 K

d)

0 K

45.
If an object has greater mass, it has greater
a)
Temperature
b)
Thermal Energy
c)
Heat 
d)
All of the above 
46.
It is cooler outside than inside of my house.  Is an example for which concept?
a)
Thermal Energy
b)
Heat 
c)
Temperature
47.
My hands feel warm because 
a)
The temperature is cold outside
b)
The molecules are moving
c)
The heat is transferring 
48.
Sum of the kinetic and potential energy of the particles 
a)
Thermal Energy
b)
Temperature
c)
Heat
49.
Average of kinetic energy
a)
Thermal Energy
b)
Temperature
c)
Heat
50.
Heat 
a)
Moves from hot to cold
b)
Moves from cold to hot
c)
Always rises up
d)
It depends on the molecules

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