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UPCO Chapters 11 & 12 (2)
Test Description: New York State 8th Grade Physics Curriculum Review
Instructions: Answer all questions to get your test result.
1) On a windy day, a spinning windmill has
A
kinetic mechanical energy
B
kinetic thermal energy
C
potential thermal energy
D
potential mechanical energy
2) Which force causes a ball rolling down the street to slow down?
A
Gravity
B
Electrical
C
Friction
D
Magnetic
3) Which of the following is a good insulator for electric wires?
A
Silver
B
Copper
C
Rubber
D
Aluminum
4) Which atomic particle has a negative charge?
A
Positron
B
Proton
C
Neutron
D
Electron
5) When a glass rod is rubbed with a silk cloth it loses electrons. The glass rod will become
A
neutral
B
negatively charged
C
positively and negatively charged
D
positively charged
6) A neutral object will have
A
unequal amounts of positive and negative charges
B
equal amounts of positive and negative charges
C
large amounts of positive charges
D
large amounts of negative charges
7) The best conductors of electricity include:
A
rubber, plastic, glass
B
copper, aluminum, plastic
C
aluminum, copper, gold
D
aluminum, plastic, rubber
8) Which action requires no work to be done on an object?
A
decreasing the speed of a moving object
B
holding an object stationary about the ground
C
pushign the object along the floor
D
lifting the object from the floor to the ceiling
9) The amount of work done by a machine is never larger than the work put into a machine. Some of the input work is lost because of:
A
friction
B
gravity
C
static electricity
D
magnetism
10) Fossil fuels, such as oil and coal, formed over
A
two years
B
two hundred million years
C
two hundred years
D
two thousand years
*select an answer for all questions
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