Planetary Science Review

Front

Why do day and night occur on Earth? A diagram is provided to help.

Back

The Earth is always half sunlit, half in shadow, and rotates on its axis so the area in light is always changing.

Front

Which lists includes only objects that can be found in the solar system? Options: Planets, Sun, comets, black holes, asteroids; Planets, Sun, moons, galaxy, comets; Planets, Sun, galaxy, black holes, asteroids; Planets, Sun, moons, asteroids, comets

Back

Planets, Sun, moons, asteroids, comets

Front

Which planets have moons? Options: Alpha and Gamma, Gamma and Delta, Alpha and Delta, None

Back

Gamma and Delta

Front

Which diagram shows a north-polar view of Earth's orbit around the Sun? Diagrams are not to scale.

Back

C

Front

How long does it take Earth to revolve around the sun?

Back

365 1/4 days

Front

Earth's axis always points to the: North Star, Sun, Moon, North Pole

Back

North Star

Front

What effect do the Sun's rays have on Earth's surface?

Back

They heat it.

Front

At which angle is the light more concentrated?

Back

a

Front

In which season is Earth receiving more concentrated sunlight?

Back

summer

Front

When the Sun's rays hit Earth at an angle covering a larger area, this is called:

Back

beam spreading