Earth's Motion

Earth’s orbit is nearly circular.

• True
• False

The motion of Earth around the Sun is Earth’s rotation.

• True
• False

As Earth revolves, it always tilts toward the Sun.

• True
• False

The Sun produces energy through nuclear fusion.

• True
• False

Day and night are caused by Earth’s rotation.

• True
• False

The equator is warmer than the poles because the Sun’s energy is more concentrated at the equator than at the poles.

• True
• False

Seasons take place because the tilt of Earth’s rotation axis relative to the Sun stays the same during the year.

• True
• False

On the December solstice, the north end of Earth’s rotation axis continues to point away from the Sun, but it does so less and less.

• True
• False

A day when Earth’s rotation axis is leaning along Earth’s orbit, neither toward nor away from the Sun, is called an equinox.

• True
• False

When the southern hemisphere is experiencing summer, the northern hemisphere is experiencing summer.

• True
• False