Earth, Moon, and Sun Amplify

Front

What is the path of light?

Back

Light travels in straight lines only.

Front

Why does the Moon appear to get larger over time?

Back

The Moon moves so that we can see more of the half that faces the sun.

Front

What does Diagram C represent about the Moon's illumination?

Back

Diagram C is accurate because the half of the Moon that is facing the sun is lit, while the other half is dark.

Front

Can the half of the Moon that faces Earth ever be completely dark?

Back

Yes, it can be completely dark in certain positions, such as in Diagram 2 and sometimes in Diagram 3.

Front

What happens to the Moon's visibility over several days?

Back

The Moon moves so that we can see more of the half that faces the sun.

Front

What is the reason for the Moon's phases?

Back

The phases of the Moon are caused by its position relative to the Earth and the Sun.

Front

What is a lunar eclipse?

Back

A lunar eclipse occurs when the Earth passes between the Sun and the Moon, blocking sunlight from reaching the Moon.

Front

What is a solar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking sunlight from reaching the Earth.

Front

How does the position of the Sun affect the Moon's appearance?

Back

The position of the Sun determines which part of the Moon is illuminated and visible from Earth.

Front

What is the significance of the Moon's rotation?

Back

The Moon rotates on its axis, which allows us to see different phases as it orbits the Earth.