Depending on what time of day it is outside we see different shadows of the same object this is due to opaque objects. Also Earth's rotation on its axis.The seasons are caused by Earth's revolving around the sun
Is is just a ball of flaming gas also known as a star it is so big because it is closer to us than any other star out there. It also has light energy and is outside Earth's atmosphere
It is in a constant orbit around the sun
If the sun where to shine on this pool the light would bounce off or reflect of the surface of the water. If you were to stick a pencil in the cater and look at it above water is would apear broken due to refraction
This glass is a medium because light will travel through the glass. The glass is a composition of silica sand and soda ash
The window on the right would be transparent and the one on the left would be translucent because it is not a clear so little light would pass through. Right would be transparent because it is more clear so more light will pass through.