Front

Earth's shape

Back

sphere

Front

Night and day show the earth is

Back

rotating

Front

Rotation of the Earth takes

Back

24 hours

Front

Variation in light during the year is caused by:

Back

Tilt of the earth on its axis

Front

Time for Earth to orbit the sun:

Back

365 1/2 days

Front

Seasons are caused by the tilt of the axis and Earth's revolution around the sun.

Back

tilt, revolution

Front

Largest object in the solar system

Back

sun

Front

Force keeping the moon around Earth and Earth around the sun.

Back

gravity

Front

Different faces of the moon are called

Back

phases

Front

The moon reflects light from the sun.

Back

light, sun