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Light and shadows
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Find 2 transparent objects around you.
Nice!
Find 2 opaque objects around you.
Good job!
"Shadows can have many colors." True or False
 
False
 
True
A .......... is formed when an object blocks the light.
shadow
"If we hold a book in the torchlight, we will see a SHADOW OF A PENCIL on the paper. " True or False
 
False
 
True
"Our shadows disappear when we move." True or False
 
True
 
False
"A torch is a light source."  True or False
 
True
 
False
"All light comes from a light source." True or False
 
True
 
False
Is the moon a light source?
No, it isn't
Is a wall opaque or transparent?
Opaque
Is a glass transparent or opaque?
Transparent
Look at the picture. Why does the tree make a shadow?
The tree is opaque and it blocks the light.
What is our main source of light?
The sun
What makes a shadow?
Something blocks the light
Why we can not see in the dark?
Because there is no light
Mention 5 sources of light!
Sun, lamp, candle, torch, stars