Science 9 Unit D Chapter 2 Quiz

Quiz
•
Physics
•
9th Grade
•
Medium
Dawson LaDuke
Used 43+ times
FREE Resource
24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The Doctor needs to complete a circuit to save the earth (again). As her capable companion, you have been carrying around a rubber tube, a glass rod, a copper wire, and a wooden stick for just this possible scenario. You hand The Doctor copper wire because ...
Copper can create current
Copper provides the best resistance
Copper is flexible
Copper is a good electrical conductor
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Upon completing the circuit and saving the earth, The Doctor thanks you for not choosing the other materials, which she refers to as “insulators”. Which of the following statements is true about insulators?
Insulators allow current to flow when voltage is applied
Electrons in insulators are not tightly bound to the nuclei
Electrons in insulators are tightly bound to the nuclei
Insulators do not have any electrons
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
As you and The Doctor begin to walk away from yet another successful mission, you notice that the copper wire becomes warm. The Doctor tells you not to worry and explains that this is most likely caused by
Energetic protons giving off heat
The current causing the wire to vibrate
Heat transfer from the lamp in the circuit
The wire providing some resistance to current flow
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Mrs. Bolger wants to question Mr. LaDuke about what makes him such an excellent student teacher and hooks him up to a lie detector. A lie detector would indicate Mr. LaDuke is lying and hiding all his secrets if …
There is a decrease in resistance
There is an increase in resistance
There is no change in conductivity
There is a decrease in conductivity
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The microwave in Mr. Maruyama’s classroom provides 16 Ω of total resistance in its circuitry. The microwave is connected to a 240 V outlet. How much current is the microwave drawing in?
0.07 A
15 A
240 A
3600 A
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Mr. Maruyama’s homeroom takes a class field trip into Banff National Park and finds a waterfall. Recalling Mr. LaDuke’s lessons, they remember that they can use a waterfall to model the flow of electricity. Which of the following would be the best representation of voltage?
Rocks in the path of the water
The height of the waterfall
The amount of water flowing
The size of the splash at the bottom of the waterfall
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Hiking to the top of the waterfall, 9M sees multiple very large boulders. Thinking back on the waterfall analogy once more, they remember that rocks represent …
Voltage
Current
Amperage
Resistance
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