Earth, Moon, and Sun

Front

What is the relationship between the Earth, Moon, and Sun?

Back

The Earth orbits the Sun, while the Moon orbits the Earth. This relationship affects the phases of the Moon and the occurrence of eclipses.

Front

What causes the phases of the Moon?

Back

The phases of the Moon are caused by the changing positions of the Moon, Earth, and Sun, which affect how much of the Moon's surface is illuminated by the Sun.

Front

What is a lunar eclipse?

Back

A lunar eclipse occurs when the Earth is positioned directly between the Sun and the Moon, causing the Earth's shadow to fall on the Moon.

Front

What is a solar eclipse?

Back

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

Front

How does sunlight affect the appearance of the Moon?

Back

Sunlight illuminates the Moon, and the part of the Moon that faces the Sun is lit, while the opposite side remains dark.

Front

What is the term for the half of the Moon that is always facing Earth?

Back

The near side of the Moon.

Front

What is the term for the half of the Moon that is not visible from Earth?

Back

The far side of the Moon.

Front

How does light travel?

Back

Light travels in straight lines only.

Front

Can the Moon ever be completely dark as seen from Earth?

Back

Yes, the Moon can appear completely dark during a new moon phase.

Front

What is the significance of the Moon's orbit around the Earth?

Back

The Moon's orbit affects tides on Earth and the timing of lunar phases.