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Unit 8 Review
Test Description: Review of energy transformations
Instructions: Answer all questions to get your test result.
1) Which of the following is the ability to cause change in matter?
A
conduction
B
energy
C
transfer
D
matter
2) An energy transformation is _______.
A
energy that is related to heat
B
energy can not be created or destroyed
C
energy changing from one form to another
D
the amount of energy
3) Which of the following are the main types of potential and kinetic energy?
A
heat, light and sound
B
radiant, thermal, chemical, mechanical, and electrical
C
conduction, convection and radiation
D
batteries, lightning, fire and the sun
4) 7. A student who is feeling cold briskly rubs her hands on her bare arms. What energy transformation is the student using to feel warmer?
A
light to thermal
B
electrical to thermal
C
thermal to chemical
D
mechanical to thermal
5) Which object works by changing chemical energy to mechanical energy?
A
sun
B
toaster
C
bicycle
D
circuit
6) Which of the following energy transformations take place in a hair dryer?
A
electrical to thermal and sound
B
chemical to thermal and sound
C
radiant to electrical
D
electrical to chemical
7) The Law of Conservation of Energy states that ____.
A
energy can not be transformed
B
energy is neither created or destroyed
C
energy can be created
D
energy can be destroyed
8) What types of energy are coal, vegetables, and gasoline?
A
chemical
B
mechanical
C
radiant
D
electrical
9) Which object transforms electrical energy into mechanical?
A
flashlight
B
xrays
C
ipods
D
fans
10) What types of energy transformations take place during photosynthesis?
A
mechanical to thermal
B
chemical to thermal
C
radiant to thermal
D
chemical to light
*select an answer for all questions
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