Space Unit

The number of hours of daylight varies depending on how far north or south it is the _____.

• Line of Capricorn

• Equator

• North Pole

• Moon

When it is summer in the United States,

• the Northern hemisphere is tilted towards the sun

• the Earth is closer to the sun

• the rotation of the Earth speeds up

• a lunar eclipse is happening

The rotation of the Earth causes:

• tides

• eclipses

• day and night

• seasons

When it is summer in the Southern Hemisphere, it is ___ in the northern hemisphere.

• spring

• fall

• summer

• winter

The moon and the sun each exert a gravitational pull on the Earth, and this pull has a major impact on the Earth's

• crop seasons

• hurricane seasons

• ocean tides

• tsunamis

The aligment of the sun, earth and moon can produce shadows on the Earth or Moon resulting in ...

• very dark nights

• lunar or solar eclipses

• very long shadows

• vernal equinox

The Earth's north-south axis is tilted at ..... degrees.

• 365.25

• 23.5

• 90

• 100

Which best explains why the moon has phases?

• The moon's position changes in relation to the sun and the earth

• The sun's position changes in relation to the moon and earth

• The earth casts a shadow on the moon as it rotates

• The moon rotates along its axis

Which of the following best explains why the Sun appears to move across the sky everyday.

• The sun rotates on its axis

• Earth rotates on its axis

• The sun orbits earth

• Earth orbits the sun

The Earth's moon is:

• always much closer to the sun than it is to earth

• always much closer to earth than it is to the sun

• about the same distance from the sun as it is from earth

• sometimes closer to the sun than it is to earth