3NW SUM REVIEW

As the Moon's phase changes from first quarter to last quarter, the visible portion of the Moon as observed from Earth will

• decrease, only
• increase, only
• decrease, then increase
• increase, then decrease

The length of an Earth day is determined by the time required for approximately one

• Earth rotation
• Earth revolution
• Sun rotation
• Sun revolution

What is the main cause of Earth's seasons?

• The Earth's tilt on its axis
• The Earth's tides
• The moon's revolution around the Earth
• The gravity between the moon and the Earth

How long does Earth take to complete one orbit around the Sun?

• 1 day
• 1 month
• 1 year
• 1 decade

The Earth is a(n) __________ ,which is a round, three-dimensional object.

• cone
• sphere
• ellipse
• cylinder

Dark-colored, relatively flat regions of the Moon's surface that were formed when interior lava filled large basins are called _______.

• craters
• volcanoes
• maria
• sedimentary rocks

Which describes Earth's orbit around the Sun?

• a circle
• an ellipse
• an eclipse
• a sphere

What is the phase of this moon?

• Third Quarter
• Waning Crescent
• First Quarter
• Waning Gibbous

Which is the MAIN cause of the ocean's tides?

• the tilt of the Earth's axis
• The earth's rotation on it's axis
• the gravitational pull of the moon,
• the uneven heating of the oceans by the sun

The sun appears to move across the sky each day.  What causes this?

• the spinning of the Earth's axis
• The path of the sun around the Earth
• the production the nuclear energy around the sun
• the tilt of the Earth on its axis