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7th Grade- Temperature And Energy
Test Description: Temperature and energy
Instructions: Answer all questions to get your test result.
1) this is a measure of the average kinetic energy of all the particles in an object
A
temperature
B
thermal energy
C
kinetic energy
2) if a liquid has a high temperature, the particles in the liquid are moving very
A
slow
B
neither of these
C
fast
3) 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
4) In both of the common scales, temperature is measured in units called
A
joules
B
energy
C
degrees
5) In the United States, the scale that is commonly used is the ________ scale
A
Farenheit
B
Celcius
C
Kelvin
6) On the Celsius scale, pure water boils at
A
100 degrees C
B
32 degrees C
C
212 degrees C
D
0 degrees C
7) To measure temperature, we use a device called a
A
barometer
B
anemometer
C
thermometer
8) _________ or alcohol are often used inside thermometers because these liquids expand and contract in response to change in temperature
A
silver
B
mercury
C
water
9) Mercury used to be the standard liquid in all thermometers. but it has stopped being used because it is
A
expensive
B
dangerous
C
rare
D
ineffective
10) if you add energy to a pot of water, the temperature starts to
A
decrease
B
increase
C
stay the same
11) 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
solid
C
gas
12) One __________ is the amount of energy needed to raise the temperature of 1 gram of water by 1 degree C
A
calorie
B
joule
C
degree
D
watt
13) one calorie is equal to
A
4.18 joules
B
1 joule
C
10 joules
14) when talking about food, one Calorie is one kilocalorie or
A
10 calories
B
1000 calories
C
100 calories
15) to determine the amount of calories in food, the food is burned in a device called a
A
calorimeter
B
food heater
C
thermometer
D
calorie counter
16) Which part of a pizza has the highest specific heat?
A
crust
B
sauce
C
pepperoni
D
cheese
17) Which of these has the highest specific heat?
A
water
B
iron
C
aluminum
D
wood
18) which of these has the lowest specific heat?
A
wood
B
iron
C
water
D
aluminum
19) materials that are poor conductors are called ________. wood and plastic foam are good examples
A
metals
B
conductors
C
solids
D
insulators
20) __________ does not need ti travel through a substance and can move through empty space.
A
convection
B
radiation
C
conduction
*select an answer for all questions
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