Patterns of the Solar System Review

Front

What happens to the gravitational force between two objects as the distance between them decreases?

Back

It increases.

Front

What is the phase of the moon when it is completely illuminated as seen from Earth?

Back

Full Moon.

Front

What causes the phases of the Moon?

Back

The relative positions of the Earth, Moon, and Sun.

Front

How many days is Venus visible in the west at sunset?

Back

263 days.

Front

What phase is the Moon in during a total lunar eclipse?

Back

Full Moon.

Front

Define gravitational force.

Back

The attraction between two objects with mass, which increases as the distance between them decreases.

Front

What is a lunar eclipse?

Back

An event where the Earth passes between the Sun and the Moon, causing the Earth's shadow to cover the Moon.

Front

Explain the difference between a solar eclipse and a lunar eclipse.

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light; a lunar eclipse occurs when the Earth is between the Sun and the Moon.

Front

What is the significance of the Moon's phases in relation to Earth?

Back

The Moon's phases affect tides on Earth and are a result of the Moon's position relative to the Earth and Sun.

Front

How long does it take for the Moon to complete one full cycle of phases?

Back

Approximately 29.5 days.