Chapter 8Earth in Space

How long does it take for Earth to complete one full rotation?

24 hours

Why do seasons change?

Because Earth tilts on its axis

How long do moon phases last?

About 29 days

Planets __________ the sun.

Orbit

If it is midnight on one side of the Earth what time is it on the opposite

side of earth?

Noon

What gives the Earth heat and light?

Sun

What season is it in the Northern part of Earth when the North

Pole slants away from the sun?

Winter

What season is it when the sun is high overhead?

Summer

In which direction does the sun rise?

East

The sun’s rays are weak at the poles and __________ at the

equator.

Strong

If you were on Venus the Earth would appear to ___________

in the night sky.

Wander

If Mars and Earth had the same orbit an Earth year and a Mars

year would be the ____________________.

Same Length

If the Earth were tilted more summers would be _________.

Hotter

If the Earth were tilted more winters would be ________.

Colder