7th Grade- Temperature And Energy Question Preview (ID: 37017)


Temperature And Energy. TEACHERS: click here for quick copy question ID numbers.

this is a measure of the average kinetic energy of all the particles in an object
a) kinetic energy
b) temperature
c) thermal energy
d)

if a liquid has a high temperature, the particles in the liquid are moving very
a) fast
b) slow
c) neither of these
d)

what is the zero point on the Celcius scale?
a) the freezing point of pure water
b) the boiling point of pure water
c) the freezing point of mercury
d)

In both of the common scales, temperature is measured in units called
a) joules
b) energy
c) degrees
d)

In the United States, the scale that is commonly used is the ________ scale
a) Farenheit
b) Celcius
c) Kelvin
d)

On the Celsius scale, pure water boils at
a) 0 degrees C
b) 32 degrees C
c) 100 degrees C
d) 212 degrees C

To measure temperature, we use a device called a
a) anemometer
b) thermometer
c) barometer
d)

_________ or alcohol are often used inside thermometers because these liquids expand and contract in response to change in temperature
a) mercury
b) water
c) silver
d)

Mercury used to be the standard liquid in all thermometers. but it has stopped being used because it is
a) expensive
b) rare
c) dangerous
d) ineffective

if you add energy to a pot of water, the temperature starts to
a) increase
b) decrease
c) stay the same
d)

if you keep a pot of water boiling for a long time, the heat then goes from changing the physical state of the water from liquid to ___
a) still liquid, only hotter
b) gas
c) solid
d)

One __________ is the amount of energy needed to raise the temperature of 1 gram of water by 1 degree C
a) calorie
b) watt
c) degree
d) joule

one calorie is equal to
a) 1 joule
b) 4.18 joules
c) 10 joules
d)

when talking about food, one Calorie is one kilocalorie or
a) 10 calories
b) 100 calories
c) 1000 calories
d)

to determine the amount of calories in food, the food is burned in a device called a
a) calorie counter
b) thermometer
c) calorimeter
d) food heater

Which part of a pizza has the highest specific heat?
a) sauce
b) cheese
c) crust
d) pepperoni

Which of these has the highest specific heat?
a) water
b) iron
c) wood
d) aluminum

which of these has the lowest specific heat?
a) water
b) iron
c) wood
d) aluminum

materials that are poor conductors are called ________. wood and plastic foam are good examples
a) conductors
b) insulators
c) solids
d) metals

__________ does not need ti travel through a substance and can move through empty space.
a) conduction
b) convection
c) radiation
d)

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