In a house, when wiring to ensure if one lightbulb breaks, the others will keep using you should use a ______circuit
parallel
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15
If the bulb marked X burns out A. the other two bulbs become brighter B. none of the bulbs light C. the other two bulbs become dimmer D. the other two bulbs remain the same
d
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15
the lens at the front of the eye is called the _____________
cornea
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15
When voltage increases, current will....
increase
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15
The voltage in a parallel circuit is the (same/different) everywhere in the circuit
same
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15
When light travels through a less dense to more dense medium, the ray ...
refracts towards the normal
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trap
No points!
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star
Double points!
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fairy
Take points!
5
10
15
20
25
lifesaver
Give 25 points!
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15
Which electrode combination would result in a higher voltage? a. zinc and zinc b. zinc and copper
b. zinc and copper
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lifesaver
Give 25 points!
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gold
Win 50 points!
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rocket
Go to first place!
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baam
Lose 5 points!
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15
What does 3 represent?
battery
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15
To focus on nearby objects, the eye muscles must (relax/contract)
contract
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15
Which of the following would produce the greatest voltage?
D
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banana
Go to last place!
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gift
Win 25 points!
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gift
Win 10 points!
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banana
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15
The angle of incidence is _________ to the angle of reflection
