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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
potential mechanical energy
B
kinetic mechanical energy
C
potential thermal energy
D
kinetic thermal energy
2) Which force causes a ball rolling down the street to slow down?
A
Friction
B
Magnetic
C
Gravity
D
Electrical
3) Which of the following is a good insulator for electric wires?
A
Rubber
B
Copper
C
Silver
D
Aluminum
4) Which atomic particle has a negative charge?
A
Neutron
B
Electron
C
Proton
D
Positron
5) When a glass rod is rubbed with a silk cloth it loses electrons. The glass rod will become
A
negatively charged
B
neutral
C
positively charged
D
positively and negatively charged
6) A neutral object will have
A
equal amounts of positive and negative charges
B
large amounts of negative charges
C
large amounts of positive charges
D
unequal amounts of positive and negative charges
7) The best conductors of electricity include:
A
aluminum, plastic, rubber
B
aluminum, copper, gold
C
rubber, plastic, glass
D
copper, aluminum, plastic
8) Which action requires no work to be done on an object?
A
holding an object stationary about the ground
B
pushign the object along the floor
C
decreasing the speed of a moving object
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
static electricity
C
magnetism
D
gravity
10) Fossil fuels, such as oil and coal, formed over
A
two thousand years
B
two hundred years
C
two years
D
two hundred million years
*select an answer for all questions
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