Planet Earth

Front

For many years most people mistakenly thought that the Earth was

Back

flat.

Front

It is now common knowledge that the Earth is round, spins on its axis and revolves around the Sun.

Back

revolves around the Sun.

Front

The Earth is shaped like a ____ - which is a round three-dimensional object.

Back

sphere

Front

Aristotle and others observed that Earth displayed a curved shadow during a(n)

Back

lunar eclipse.

Front

Earth spins around an imaginary line called the axis - which is also known as its ____.

Back

rotation

Front

Earth's steady rotation causes day & night, and also the

Back

illusion that the Sun, Moon & stars go around the Earth.

Front

One complete rotation takes about 24 hours - or

Back

one day.

Front

One complete ____ around the Sun takes about 365 days or one year.

Back

revolution

Front

Earth is the ____ of the inner planets (Mercury, Venus & Mars).

Back

largest

Front

The spinning core of the Earth is believed to be a cause of the seasons.

Back

False