Earth in Space

What is the difference between Earth's rotation and revolution?

• Revolution refers to Earth's spinning on its axis, and rotation refers to Earth's spinning around the Sun.
• Rotation refers to Earth's spinning on its equator, and revolution refers to Earth's spinning around the solar system.
• Rotation refers to Earth's spinning on its axis, and revolution refers to Earth's spinning around the Sun.

What does Earth's rotation cause?

• a year
• the seasons
• eclipses
• day and night

At what angle is the Earth tilted on its axis?

• about 5 degrees
• about 23.5 degrees
• it is not tilted on its axis

Regions of Earth near ____ receive MORE energy from the Sun than regions near ____.

• the equator; the poles
• the poles; the equator
• the arctic; the tropics

In which figure (A or B) is the Northern Hemisphere experiencing winter and the Southern Hemisphere experiencing summer?

• Figure A
• Figure B

If you live in the Northern Hemisphere, on which day of the year will your hometown receive the most daylight?

• September 21
• December 21
• March 21
• June 21

At which times of the year are the number of daylight and dark hours equal everywhere on the Earth?

• during the solstices in June and December
• during the equinoxes in March and September
• during the winter in the Northern Hemisphere and the summer in the Southern Hemisphere

Which of the following statements are true about the Moon? Check all true statements.

• the Moon does not have an atmosphere
• the Moon is 1/6 (one-sixth) the mass of the Earth
• the Moon is a natural satellite
• the Moon emits (gives off) different amounts of light throughout one month
• the Earth orbits the Moon

The same side of the Moon always faces Earth because __________.

• the motion of the Moon's revolution around Earth and its rotation on its axis take the same amount of time
• the motion of Earth's revolution around the Sun and its rotation on its axis take the same amount of time
• the motion of Earth's revolution around the Sun and the Moon's rotation on its axis take the same amount of time

Which of the following is true about the waning moon phases?

• the light is on the right side of the Moon and the lighted part of the Moon is growing each day
• the light is on the left side of the Moon and the lighted part of the Moon is growing each day
• the light is on the left side of the Moon and the lighted part of the Moon is shrinking each day