Sample Item 15 SC.8.P.8.4
Matthew has six cubes of different materials. Each cube has a mass of 10 grams (g).
Matthew sorts the cubes into two groups using one physical property.
GROUPS OF DIFFERENT MATERIALS
Group 1 Cubes
Group 2 Cubes
Aluminum
Glass
Copper Plastic
Steel
Wood
Which physical property did Matthew most likely use to sort the cubes into two groups?
A. density
B. magnetism
C. melting point
D. electrical conductivity

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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