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Energy Transformations
Test Description: What best describes the different energy transformations
Instructions: Answer all questions to get your test result.
1) Which of the following best describe the energy transformation in a flashlight?
A
Chemical to electrical to thermal
B
thermal to chemical to sound
C
thermal to electrical to mechanical
D
Chemical to electrical to light
2) Which of the following best describes the energy transformation in an smartphone?
A
electrical to sound and light
B
electrical to chemical to sound to mechanical
C
Sound to electrical to light
D
Light to mechanical to sound
3) Which of the following best describes the energy transformations in a fan used to cool you off during the summer?
A
light to sound
B
thermal to electrical
C
chemical to light to sound
D
electrical to mechanical
4) Which of the following best describes the energy transformation in a lamp?
A
Electrical to light
B
light to sound
C
light to electrical
D
sound to light
5) Which of the following best describes the energy transformation in a plant that grows in the ground?
A
electrical to heat
B
chemical to mechanical
C
chemical to light
D
light to chemical
6) Which of the following best describes the energy transformation in humans?
A
chemical to light
B
electrical to mechanical
C
Electrical to heat
D
chemical to mechanical
7) Which of the following best describes the energy transformation in making a drum work?
A
Chemical to sound
B
mechanical to sound
C
Electrical to sound
D
Light To sound
8) Which of the following best describes the energy transformation in a camp fire?
A
chemical to thermal to light
B
sound to thermal to light
C
mechanical to thermal to sound
D
electrical to sound to light
9) Which of the following best describes the energy transformation in a blow dryer?
A
light to sound
B
thermal to electrical
C
thermal to sound
D
electrical to thermal
10) What of the following best describes the energy transformation in a television?
A
sound and light to thermal and electrical
B
Electrical to light and sound
C
mechanical to electrical to thermal
D
thermal to mechanical
*select an answer for all questions
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