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7.MS-PS3-4 / 3-6
Test Description: 7.MS-PS3-4 / 3-6
Instructions: Answer all questions to get your test result.
1) Why does an ice cube feel cold in your hand?
A
cold energy flows from the ice cube into your hand
B
the ice acts as an insulator
C
thermal energy flows from your hand into the ice cube
D
your hand acts as an insulator
2) Which is NOT an example of thermal expansion?
A
a balloon being filled with helium
B
a balloon inflating with hot air
C
a window sticking more in the summer than in the winter
D
the liquid inside a thermometer rising
3) Which of the following statements is NOT true about absolute zero?
A
it has never actually been reached
B
all particle movement stops
C
it can be reached by supercooling a substance
D
it is the coldest temperature possible
4) Being warmed by a fire is an example of ______
A
absolute zero
B
convection
C
conduction
D
radiation
5) Touching a hot pot is an example of _____
A
conduction
B
radiation
C
convection
D
an insulator
6) What can be used to measure the average kinetic energy in a substance?
A
a scale
B
your hand
C
a hot plate
D
a thermometer
7) If two objects are different temperatures remain in contact with each other, what happens over time?
A
it depends on the starting temperatures of both objects
B
one will always be warmer than the other
C
they will become the same temperature
D
the temperatures will not change
8) Which statement does NOT explain why the red liquid in a thermometer goes up when placed in hot water??
A
the particles in the red liquid started moving faster
B
thermal expansion
C
the particles in the red liquid got closer together
D
the water particles transferred energy to the red liquid particles
9) Which was does thermal energy naturally always move?
A
from where there is less energy to where there is more energy
B
from the warmer substance to the cooler substance
C
from the cooler substance to the warmer substance
D
from where there is no energy to where there is some energy
10) Why does warm air rise?
A
because of conduction
B
because of radiation
C
because of convection
D
because of thermal equilibrium
*select an answer for all questions
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