Eclipses

According to the diagram, what does the light shining on the ball create?

• Shadow
• Moon
• Earth
• Sun

How many parts does the shadow have?

• one
• two
• three
• four

What is the central, darker part of a shadow called?

• the umbra
• the penumbra

In thinking about a solar eclipse, what does the light source in the diagram represent?

• the Earth
• the Moon
• the Sun

What must occur for an solar eclipse to occur?

• Sun-Earth-Moon in line
• Sun-Moon-Earth in line

During which part of the lunar cycle can a lunar eclipse occur?

• New Moon
• First Quarter
• Full Moon
• Third Quarter

What is the lighter part of a shadow where light is partially blocked called?

• the umbra
• the penumbra

In thinking about a solar eclipse, what does the ball in the diagram represent?

• the Earth
• the Moon
• the Sun

During which part of the lunar cycle can a solar eclipse occur?

• New Moon
• First Quarter
• Full Moon
• Third Quarter

In thinking about a lunar eclipse, what does the ball in the diagram represent?

• the Earth
• the Moon
• the Sun