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- 1. Multiple Choice
Light travels in _____ lines.
spiral
zigzagstraight
pale
- 2. Multiple Choice
Light continues traveling until it reaches _____ .
water
the other side
air
an object
- 3. Multiple Choice
A shadow is formed behind an object that _____ the path of light.
blocksabsorbsreflectsattracts - 4. Multiple Choice
A shadow is seen when less light reaches the eyes from it than from the _____ .
object
area surrounding it
area behind the object
source - 5. Multiple Choice
Light must enter the eye (or __________) to be seen (or detected).
auditory canal
olfactory nerve
sensor
reflector
- 6. Multiple Choice
If there is no __________, the eye cannot see (or the sensor cannot detect).
movement
light
color
sound
- 7. Multiple Choice
As distance increases from a light source, the intensity of light __________.
increases
fluctuates
stays the same
decreases
- 8. Multiple Choice
We see increased intensity of light as __________.
brightness
dimness
darkness
colors
- 9. Multiple Choice
When light __________ an object before it gets to your eye, it is less intense (than the light source).
interacts with
passes by
disappears from
bounces off
- 10. Multiple Choice
Light intensity is measured with the unit __________.
decibel
meter
lux
ampere
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