WorksheetsChapter 16 Test
Total questions: 20
Worksheet time: 11mins
In which direction does heat flow spontaneously?
in all directions
clockwise
from hot to cold
from cold to hot
What is the SI unit for thermal energy?
joule
Newton
watt
Celsius
A material that conducts thermal energy poorly is called a(n)
insulator
conductor
calorimeter
convector
Which of the following statements about an internal combustion engine is FALSE?
The fuel burns inside the engine.
It converts thermal energy into mechanical energy.
It is a type of heat engine.
All of the energy in the fuel is converted to work.
Based on the heat capacities given, which substance will release the most heat when 1 gram is cooled 10°C?
water (4.18 J/g°C)
mercury (0.14 J/g°C)
air (1.01 J/g°C)
ethyl alcohol (2.43 J/g°C)
Which way of transferring thermal energy requires a fluid that can move from one place to another
conduction
convection
radiation
energy transfer
When a substance is heated, its molecules move ______ and get ______ apart.
slower; farther
slower; closer
faster; farther
faster; closer
Hot air balloons rise because the hot air is ____ dense than the surrounding air.
more
less
equally
not
Heat moves through a solid by
conduction
convection
radiation
energy transfer
Sitting on the beach, feeling the warmth from the Sun, you are experiencing which type of heat transfer?
conduction
convection
radiation
energy transfer
The lowest temperature possible in nature is
0°C
-273°C
32°F
0°F
What is the unit of measurement for Q
J/g °C
°C
J
g
What is the unit of measurement for m
J/g °C
°C
J
g
What is the unit of measurement for c
J/g °C
°C
J
g
What is the unit of measurement for ΔT
J/g °C
°C
J
g
Which statement best describes an insulator compared to a conductor?
Transfers thermal energy quickly
Restricts thermal energy transfer
Generates thermal energy internally
Changes specific heat with temperature
Which mode of heat transfer does not require matter?
conduction in solids
convection in fluids
radiation through space
diffusion of molecules
What happens to density when a fluid is heated at constant pressure?
density increases slightly
density decreases slightly
density stays exactly constant
density becomes undefined
Which of the following is NOT a unit for temperature?
Calorie
Celsius
Fahrenheit
Kelvin
Heat transfers from an area of (a) temperature to an area of (b) temperature.
