MIU2L1: Temperature And Heat Question Preview (ID: 60103)
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Which of these is a measure of the average kinetic energy of the molecules of a material?
a) heat
b) temperature
c) thermal energy
d) bonding energy
A lizard sits on a hot rock to get warm. What type of thermal energy transfer is occurring?
a) conduction
b) convection
c) radiation
d) kinetic
What is thermal energy?
a) the total kinetic energy in an object
b) the average kinetic energy in an object
c) the total transfer of kinetic energy between two objects
d) the average transfer of kinetic energy between two objects
A hot potato at 80 ºC is placed in a bowl of soup at 40 ºC. The surrounding room is at 20 ºC. Which correctly describes the directions of thermal energy transfer?
a) potato to soup, and soup to room
b) room to soup, and soup to potato
c) room to soup, and room to potato
d) soup to potato, and potato to room
A student wants to raise the temperature of 200 g of water from 25 °C to 50 °C by adding a hot piece of iron metal. Which of these properties of the iron will the student need to know to carry out the experiment?
a) mass and volume
b) volume and density
c) temperature and mass
d) density and temperature
Four objects are all made of iron. Which has the most total thermal energy?
a) a nail at 100 °C
b) a spoon at 25 °C
c) a frying pan at 50 °C
d) a paper clip at 150 °C
On a sunny day, the sidewalk and the street are both warmer than the atmosphere because they have more________________.
a) heat
b) thermal energy
c)
d)
How might using a pizza stone instead of a pan affect how a pizza cooks faster?
a) The stone gets hotter than the rest of the oven, so it cooks faster.
b) the stone transfers energy slowly, so the crust cooks evenly
c) The stone absorbs energy, keeping the crust cooler than the toppings.
d)
Temperature is a measure of average kinetic energy
a) True
b) False
c)
d)
Thermal energy is a measure of total kinetic energy
a) true
b) false
c)
d)
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