Earth-Sun-Moon System

Front

What is the attractive force between objects that depends on their masses and the distance between them?

Back

Gravity

Front

What is the term for the darkest part of a shadow?

Back

Umbra

Front

What do we call a streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere?

Back

Meteor

Front

What are the two days of the year on which neither hemisphere is tilted toward or away from the sun called?

Back

Equinox

Front

What is the part of a shadow surrounding the darkest part called?

Back

Penumbra

Front

What is the term for the position of the Earth in relation to the Sun during a solar eclipse?

Back

The Moon is positioned between the Earth and the Sun.

Front

What phenomenon occurs when the Moon passes directly behind the Earth into its shadow?

Back

Lunar Eclipse

Front

What is the term for the time it takes for the Earth to complete one full rotation on its axis?

Back

24 hours or one day.

Front

What is the significance of the tilt of the Earth's axis?

Back

It causes the seasons.

Front

What is the term for the phase of the Moon when it is completely illuminated by the Sun?

Back

Full Moon