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Save The Penguins Review
Test Description: Review of the Save the Penguins Engineering Unit about Heat Transfer.
Instructions: Answer all questions to get your test result.
1) A metal spoon, a wool sock, and a wood block were all placed in the freezer over night which would have the coldest temperature?
A
all would have the same temperature
B
wool sock
C
wood block
D
metal spoon
2) A thermometer is placed on the countertop. Another is placed inside a thick oven mitt on the counter. Which would have the highest temperature?
A
The temperature on the countertop
B
The temperature in the oven mitt.
C
They both would have the same temperature.
D
Can't be determined
3) To keep a pop cool without a cooler, the best material to wrap the pop in would be?
A
wool sock
B
paper towel
C
aluminum foil
D
cotton sock
4) What method of heat transfer would occur if you held a metal spoon with your hand and it caused an ice cube in the spoon to melt?
A
convection
B
insulation
C
conduction
D
radiation
5) You place a can of cold soda on the counter for several minutes. When you remove the can you notice the counter is colder where the soda was sitting. Which explanation is correct?
A
The coldness from the can was transferred into the counter.
B
There is no heat energy left in the counter beneath the can.
C
Some heat has been transferred from the counter to the soda.
D
The cold has been transferred from the soda to the counter.
6) A teacup and bathtub are full of 95 degree Celsius water. Which would have the most thermal energy?
A
The teacup
B
The would have the same amount.
C
Can't be determined.
D
The bathtub
7) What method of heat transfer would the material mylar help to reduce?
A
convection
B
conduction
C
insulation
D
radiation
8) When placed in direct sunlight, which object would absorb the most radiation?
A
a black sweater
B
a snowball
C
a white sweater
D
some aluminum foil
9) A measurement of the amount of kinetic energy or molecular motion of a substance.
A
heat
B
radiation
C
conduction
D
temperature
10) When you put food coloring in room temperature water, the coloring spreads throughout the water. This happens mainly because
A
The water molecules are in motion
B
The water molecules are warm.
C
The water molecules are attracted to the food coloring.
D
The water is denser than the food coloring.
*select an answer for all questions
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