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Topic 4 Lesson 1-2

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.
A barefoot student steps on a hot concrete surface. Most of the heat transferred to the student’s skin by this contact is by the process of—
a)
convection
b)
conduction
c)
vaporization
d)
radiation
2.
A student opens the top window and the bottom window in a hot room. What statement best describes the heat transfer occurring in the room?
a)
conduction
b)
radiation
c)
convection
d)
evaporation
3.
what is radiation?
a)
direct touch
b)
air or liquids
c)
heat waves/ light waves
d)
touching the cookies out of the oven
4.
Why is there more thermal energy in an iceberg than in a pot of boiling water?    
a)
a.  The pot insulates the heated molecules
b)
b.  Most icebergs are fairly warm to the touch
c)
  c.  Icebergs contain many more molecules than pots of water
d)
  d.  Water does not hold heat very well
5.

If thermal energy is increasing, what is happening to the kinetic energy.

a)

Kinetic energy would be decreasing

b)

Kinetic energy would stay the same

c)

Kinetic energy would be increasing

6.

The total kinetic energy of the tiny particles that make up matter.

a)

Thermal Energy

b)

Energy Transfer

c)

Temperature

d)

Heat

7.
The boiling of water on the Farenheit, Celsius, and Kelvin scales is respectively,____.
a)
98.6⁰F, 37⁰C, 310K
b)
212⁰F, 100⁰C, 373K
c)
68⁰F, 20⁰C, 293K
d)
32⁰F, 0⁰C, 273K
8.
The lowest possible temperature is___.
a)
0⁰F
b)
0 K
c)
 0⁰C
d)
273 K
9.
If the particles of two substances have the same average kinetic energy, then___.
a)
the specific heats of the substances are identical 
b)
the particles will not react chemically
c)
the substances have equal thermal energies
d)
the substances have equal temperatures
10.
Temperature____ as average kinetic energy decreases.
a)
increases
b)
decreases
c)
stays the same
d)
all of the above
11.
The energy transferred between object's at different temperatures
a)
heat
b)
thermal energy
c)
radiation
d)
convection
12.

Two cubes with the same mass and volume are heated in the same pan of water. The graph below shows the change in temperature with time.

Which cube’s temperature increases at a higher rate?

a)

A

b)

B

c)

the same

13.

The diagram below represents a thermometer

Which principle best explains how this thermometer works?

a)

liquid changes to a gas when heated

b)

gas changes to a liquid when heated

c)

liquid expands when heated and contracts when cooled

d)

liquid contracts when heated and expands when cooled

14.

Convection

a)

The transfer of energy by electromagnetic waves.

b)

A circular motion of air that causes wind and changes in weather

c)

A type of heat transfer that occurs through the movement of fluids.

d)

The transfer of energy from one particle of matter to another within an object or between two objects that are in direct contact.

15.

Heat

a)

The total kinetic and potential energy of all the particles in an object.

b)

Energy that is transferred from a warmer object to a cooler object.

c)

A measure of the average kinetic energy of the particles in a substance.

d)

The heating of a substance that causes its particles to move more quickly.

16.

After hot cocoa is poured into a cold mug, thermal energy from the _______ is transferred to the _______.

a)

hot cocoa; cold mug

b)

cold mug; hot cocoa

c)

air; hot cocoa

d)

Thermal energy does not get transferred.

17.

The total kinetic energy of moving particles of matter is called _____ energy.

a)

heat

b)

temperature

c)

kinetic

d)

thermal

18.

Which one has more thermal energy?

a)

an ice cube in a glass of lemonade

b)

a bathtub full of warm water

c)

a pot of soup boiling on the stove

d)

a cup of hot coffee

19.

Which choice has the least thermal energy?

a)

bathtub full of warm water

b)

all the water in Earth's oceans

c)

swimming pool full of cool water

d)

cup of hot cocoa

20.

An object with a lower temperature always has less thermal energy than an object with a warmer temperature.

a)

True

b)

False

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