It is daytime and you look behind you. You see your shadow. Now it is nighttime and when you look behind yourself you don’t see your shadow. What is the BEST reason that you don't see your shadow at night.
You need a light source to see a shadow.
Shadows come in different ............... and ...................
shapes and sizes
What makes a shadow?
Something blocks the light
When the sun get lower in the sky, shadow get ............
longer
When the shadows are shortest?
in the middle of the day
How does light help us see?
We see things when light enters our eyes
Mention 3 natural sources of light!
Sun, Stars, Fire
If light hits something transparent, it will ..........
pass through
A shadow is created when a light is absorbed by something transparent. True or False?
False!
What is our main source of light?
Sun
Shadows can be ............. or ..................
long or short
Look at the picture. How does light travel?
Light travels in a straight path.
Why we can not see in the dark?
Because there is no light
Look at the picture. Why does the tree make a shadow?
The tree is opaque and it blocks the light.
When the sun get higher in the sky, shadows get ............
shorter
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