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Conservation Of Energy, Heat Transfer, And Natural Resources Review Part 2
Test Description: Unit 5/6 review part 2
Instructions: Answer all questions to get your test result.
1) What happens to molecules during convection?
A
The molecules slow down.
B
The warm molecules bounce into other molecules causing them to bounce faster causing it to heat up.
C
The warmer molecules rise and cool off then sink causing a circular pattern.
D
There are no molecules used during convection
2) When you cook hot dogs on a grill what type of thermal energy transfer is occurring?
A
No heat transfer is taking place.
B
Conduction
C
Radiation
D
Convection
3) While the hot dogs are cooked on the grill you feel the heat on your face? What type of heat transfer is your face experiencing?
A
Convection
B
Radiation
C
No heat transfer is occurring
D
Conduction
4) When your mom places the pot of beans on the grill what type of heat transfer is occurring in the beans?
A
Radiation
B
Convection
C
Conduction
D
No heat transfer is occurring
5) What form of thermal energy transfer can happen even if no air is present?
A
Conduction
B
Convection
C
Radiation
D
No heat transfer can occur
6) What form of thermal energy transfer deals with air or liquids?
A
Radiation
B
Convection
C
No heat transfer can occur
D
Conduction
7) What form of thermal energy transfer deals with solids and direct contact?
A
Convection
B
No energy transfer will occur
C
Radiation
D
Conduction
8) If the city's mayor were to ask you what type of energy is the least NEGATIVE on the environment which would you pick?
A
Oil
B
Wind
C
Natural Gas
D
Coal
9) How could you save energy at school?
A
keep the air set to a low temperature during warmer months
B
charge your device only at school
C
keep the lights on at all times
D
use motion sensors to turn on lights when needed.
10) What is an advantage for fossil fuels?
A
They are cheap and easy to find.
B
There is habitat loss when we mine for them
C
They are non-renewable
D
They are polluters
*select an answer for all questions
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