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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
matter
C
transfer
D
energy
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
radiant, thermal, chemical, mechanical, and electrical
B
conduction, convection and radiation
C
batteries, lightning, fire and the sun
D
heat, light and sound
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
mechanical to thermal
B
light to thermal
C
thermal to chemical
D
electrical to thermal
5) Which object works by changing chemical energy to mechanical energy?
A
bicycle
B
sun
C
toaster
D
circuit
6) Which of the following energy transformations take place in a hair dryer?
A
radiant to electrical
B
chemical to thermal and sound
C
electrical to chemical
D
electrical to thermal and sound
7) The Law of Conservation of Energy states that ____.
A
energy is neither created or destroyed
B
energy can be created
C
energy can be destroyed
D
energy can not be transformed
8) What types of energy are coal, vegetables, and gasoline?
A
electrical
B
chemical
C
radiant
D
mechanical
9) Which object transforms electrical energy into mechanical?
A
ipods
B
flashlight
C
xrays
D
fans
10) What types of energy transformations take place during photosynthesis?
A
chemical to light
B
mechanical to thermal
C
radiant to thermal
D
chemical to thermal
*select an answer for all questions
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