Font size
WorksheetsHeat Lesson 1 Practice
Total questions: 23
Worksheet time: 12mins
______________ is an indicator of the average kinetic energy of molecules.
temperature
heat
specific heat
thermal energy
thermal equilibrium
______________ is the sum of the kinetic energy of molecules. It depends on the mass and the speed of the molecules.
temperature
heat
specific heat
thermal energy
thermal equilibrium
______________ is the flow of thermal energy that occurs because there is a temperature difference.
temperature
heat
specific heat
thermal energy
thermal equilibrium
______________ occurs when the energy flow between two substances stops because their temperatures are equal.
temperature
heat
specific heat
thermal energy
thermal equilibrium
_______________is the energy required to raise 1 g of a specific substance, 1 K (or 1˚ Celsius)
temperature
heat
specific heat
thermal energy
thermal equilibrium
Joules and calories are both measurements of: (check all that apply)
temperature
heat
specific heat
thermal energy
thermal equilibrium
How many Joules are in a calorie?
1
10
100
4.18
4180
A Joule is bigger than a calorie.
True
False
Which substance has the largest specific heat?
iron
aluminum
wood
water
Which substance has the greatest thermal inertia?
iron
aluminum
wood
water
Which of the following describes the molecules in a sample of water as the temperature of the water changes from 20 deg C to 30 deg C?
the molecules speed up and their average kinetic energy increases.
The molecules slow down and their average kinetic energy decreases.
the molecules speed up and their average kinetic energy stays the same.
the molecules slow down and their average kinetic energy stays the same.
Which is a characteristic property of a substance (meaning it does not depend on its mass and can be used to identify the substance)?
temperature
heat
thermal energy
specific heat
thermal equilibrium
Heat flows from cooler objects to warmer objects.
True
False
Cold flows from cooler objects to warmer objects.
True
False
In the L-O-L diagram, what do X, Y, and Z represent?
X and Y are thermal energy and Z is heat
X is thermal energy and Y & Z are heat
Y & Z are thermal energy and X is heat.
Y & Z are temperature and X is heat.
What is the boiling point of water in deg F?
0
100
212
373
What is room temperature in degrees C?
0
20
37
70
What is the freezing point of water in K?
0
32
273
373
What is human body temperature in degrees Celsius?
98.6
100
0
37
Temperature is the same thing as heat. T or F?
True
False
Temperature is a direct measurement of the average kinetic energy of a substance. T or F?
True
False
When an object having a temperature greater than another object are near each other, thermal energy travels from the warmer object to the cooler object until they are in thermal equilibrium. T or F?
True
False
T or F? If you heat any two substances having the same mass, they will have the same temperature increase. ____
True
False
