Night Sky Quiz: Lessons 1-3

LAST Name

Based off what we have discussed in class, which is NOT evidence for why Earth is spherical?

• The bottom of ship disappears at the horizon if Earth is spherical.
• There are shadows at certain times of the day at different locations if Earth is spherical.
• The pattern of gravity is in all different directions if Earth is spherical.

Toward which direction did the shadow in Boston point?

• north
• south
• east
• west

Toward which direction did the shadow in Santiago point?

• north
• south
• east
• west

When would you have a shadow?

• When objects block light from the sun.
• If the sun is behind a cloud.
• When it is nighttime.
• All day long.

Why is the bottom of the ship not visible in the picture below?

Explain why you don't fall off the bottom of Earth if it is spherical. Use at least one piece of evidence to support this claim.