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GR5 Light and Shadw ESM
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Why do shadows change length during the day?
 
Because the Sun’s position in the sky changes
 
Because the object moves
 
Because light disappears
 
Because the Earth stops spinning
What is a periscope used for?
 
To see around corners
 
To reflect sunlight
 
To measure light
 
To focus shadows
How does distance from a light source affect brightness?
 
Closer makes it brighter
 
Farther makes it brighter
 
It doesn't change
 
It depends on the time
Why can’t we see in complete darkness?
 
There is no light for our eyes to detect
 
Our eyes are closed
 
Light is absorbed
 
Shadows block vision
What happens when light hits a mirror?
 
It reflects back
 
It passes through
 
It gets absorbed
 
It refracts
Why does an object appear black?
 
It absorbs all the light and reflects none
 
It reflects all colors
 
It glows in the dark
 
It bends light
Which of these is a man-made light source?
 
A flashlight
 
The Moon
 
A star
 
A firefly
Which of these is a natural light source?
 
The Sun
 
A lamp
 
A flashlight
 
A streetlight
What is a light source?
 
An object that produces its own light
 
An object that reflects light
 
An object that blocks light
 
An object that bends light
How can you change the size and shape of a shadow?
 
By moving the object and light source
 
By coloring the object
 
By turning off the light
 
By using mirrors
What happens when light passes through a prism?
 
It bends and splits into colors
 
It speeds up
 
It disappears
 
It reflects back
Why does the Moon shine despite not producing its own light?
 
It reflects light from the Sun
 
It makes its own light
 
It absorbs light from Earth
 
It glows from heat
What is refraction?
 
Bending of light
 
Bouncing of light
 
Spreading out of light
 
Blocking of light
Why do we see colors in objects?
 
Because they reflect certain colors and absorb the rest
 
Because they glow
 
Because they change color
 
Because of shadows
How does light travel?
 
In straight lines
 
In waves
 
In a zigzag
 
In circles
What happens to the size of a shadow when you move an object closer to the light source?
 
It becomes larger
 
It becomes smaller
 
It disappears
 
It changes color
How is a shadow formed?
 
When an object blocks light
 
When light is absorbed
 
When an object reflects light
 
When light bends
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