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WorksheetsThe way we see things (part 2)
Total questions: 15
Worksheet time: 8mins
Why is the Moon is NOT a light source?
Because it is only reflects the Sunlight and not its own light.
Because it is shines bright at night.
Because it is not a star.
Because it is not changing its color through out the time.
The light of the Moon is comes from the light of the ______
Meteor
Satelitte
Asteroid
Sun
An object can reflect the light better if it is has a ____________
rough surface
smooth surface
slimy surface
dry surface
Even though paper looks smooth but it can not reflect light as good as glass, this thing happens because actually paper _________
have a smooth surface
have a rough surface
have a slimy surface
have a dry surface
To be reflected well, light should be reflected in the _________ direction
one
different
same
all
On the rough surface, light is reflected in ___________ direction
one
different
same
all
The picture shows surfaces of 3 (three) objects. In order from left to right, there are Paper, Cement, and Glass. Which one will reflects the light better than the other?
Paper
Cement
Glass
All of them
Mirror can reflect the light very clear, that is why it becomes so useful, to prevent traffic accident we can use ____________ (choose from the picture).
Mirror is also used by Submarine to observe the surface of the ocean when they are submerged. What is the name of the tools that it used?
telescope
microscope
periscope
binocular
How many mirrors that we used in a simple periscope and how many degrees we should put them in the tube so it will work?
2, 45
45, 2
2, 2
45, 45
Which of the pictures below is a light source?
READ THE CASE CAREFULLY
Lily uses ceramic floor to see her reflection, she can see her reflection in the ceramic floor.
This case indicates that the ceramic floor have a __________ surface.
shiny
smooth
rough
slimy
This wall have a rough surface, so it is an obvious that we ________
can see our reflection in it.
can see the reflection of the wall in it.
can not see our reflection in it.
can not see the reflection of the wall in it.
Which one is the object that can reflect the light better than the others based on the pictures below?
Which one of the mirrors below that can help the driver when they want to passthrough a crossing road?
