When light travels through a less dense to more dense medium, the ray ...
refracts towards the normal
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15
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
The angle of incidence is _________ to the angle of reflection
the same/equal
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15
What does this symbol represent?
cell
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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
Which of the following would produce the greatest voltage?
D
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thief
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25
star
Double points!
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gift
Win 10 points!
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thief
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15
What does 1 represent?
lightbulb
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15
When voltage increases, current will....
increase
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baam
Lose 25 points!
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seesaw
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shark
Other team loses 25 points!
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lifesaver
Give 20 points!
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15
myopia (nearsightedness) is when the eyeball is too (short/long) and the image falls (in front of/behind) the retina
long, in front of
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thief
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rocket
Go to first place!
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rocket
Go to first place!
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thief
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15
Describe what the reflected image would look like
Larger and upside-down
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15
To focus on nearby objects, the eye muscles must (relax/contract)
contract
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15
the lens at the front of the eye is called the _____________
cornea
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15
Which of the following is NOT needed in a circuit? A. a closed loop B. a switch C. conductor D. energy source