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WorksheetsPS1 - Learning Set 1 Review
Total questions: 11
Worksheet time: 7mins
Name
Class
Date
1.
Which of the following statements correctly uses the 4 conditions of light to see an object?
a)
light, sight, object, and sun
b)
The light from the sun shines into my eyes. It reflects from my eyes to the object in a straight, unblocked path. This allows me to see the sign.
c)
The light from the flashlight travels in straight lines to the sign. Light reflects from the sign to my eyes because there is a straight, unblocked path between the sign and my eyes.
d)
light, sign, eyes, straight unblocked path
2.
Why is this light model incorrect?
a)
There are too many arrows.
b)
Light does not travel from the light to the eye.
c)
The arrow from the object to the eye is in the wrong direction.
d)
The arrow from the light to the object is in the wrong direction.
3.
How do shadows form?
a)
The darkness of the shadow reflects back to the eye.
b)
A shadow is formed behind an object that blocks the path of light.
c)
Shadows can only form when there is no light.
4.
True or False: A shadow is always found between the light source and the object.
a)
True
b)
False
5.
True or False: Nocturnal animals like an owl can see in total darkness.
a)
True
b)
False
6.
True or False: Scientists often update their models to make them better or include new ideas.
a)
True
b)
False
7.
When a light sensor "sees" an object, it detects:
a)
the object.
b)
the shadow of the object.
c)
the light coming from an object.
8.
What might be a possible explanation for the shadow of hand in this picture.
a)
A giant is chasing the girl.
b)
The hand is close to the light source, making it large.
c)
The hand is far from the light source, making it large.
9.
How do you know that the image above is wrong?
a)
The size of the shadow must be the same as the size of the object.
b)
The color of the shadow must be the same as the object.
c)
The shape of the shadow must be the same as the object.
10.
Since the shadow of the flower is behind the flower, where is the light coming from?
a)
From the right side of the flower
b)
From the left side of the flower
c)
From in front of the flower
d)
From behind the flower
11.
Using what we've learned about light, draw arrows to show how the eye can see the apple.
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