IMSO 2005 Taiwan Selection — Science First Round Question 22

Question 22

The diagram below shows the Moon revolving around Earth as viewed from space. What makes it possible to see the Moon from Earth?

1. The surface of the Moon emits its own light, which can be seen from Earth.
2. The Moon absorbs light during the day and emits the light at night.
3. Light emitted by Earth illuminates the Moon’s surface, making it visible.
4. Light emitted by the Sun is reflected to Earth by the Moon’s surface.