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15
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how to protect our eyes when light is too bright
wear sunglasses in bright sunlight/ wear safety items during welding
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15
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how we see object that is a light source
seeing an object that is not a light source
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15
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how does we see objects
light travels to the object and the to our eyes (/) / light travels to our eyes directly
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15
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give example for natural light source
firefiles, lightning, stars
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15
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what is called "a light source"
an object can make light
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15
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how far does light travel in a second (100,000km/ 200,000 km/ 300,000km)
300,000km
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15
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What does a source of light do? a)makes light/ b)reflects light/ c)absorbs light
a)makes light
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thief
Give points!
5
10
15
20
25
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fairy
Take points!
5
10
15
20
25
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
15
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how to protect our eyes when light is too dim
put in more bulbs in a room with TV/ open the window or turn on the lamps when you read book
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trap
No points!
Oops!
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seesaw
Swap points!
Okay!
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shark
Other team loses 20 points!
Okay!
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banana
Go to last place!
Oops!
15
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what types of light sources (2 types)
natural light source, man-made
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15
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what is the beams from light
ray of light (āļĢāļąāļāļŠāļĩāļāļāļāđāļŠāļ)
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15
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give example for man-made light source
fireworks, light bulbs, campfires, flashlight, match
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15
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Which of the following statements is correct? a)All light is reflected/ b) The moon is a light source/ c)Light travels in straight lines
stright line & all direction
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15
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what will happen if we stand in a dark room
we will see nothing
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thief
Give points!
5
10
15
20
25
×
magnet
Take 15 points!
Okay!
×
shark
Other team loses 20 points!
Okay!
×
thief
Give points!
5
10
15
20
25
×
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