Moon Phases, Eclipses, Tides, and Seasons

What type of tide is the sun and moon at a ninety degree angle?

• Spring tide

• Neap tide

What is the position of the Earth during an equinox?

• The northern end of Earth's axis is pointed toward the sun.

• The southern end of Earth's axis is pointed away from the sun.

• Earth's axis is neither pointed toward or away from the sun.

What causes seasons?

• Earth's tilted axis as it rotates on its axis.

• Earth's tilted axis as it revolves around the sun.

• Earth's distance from the sun in the summer.

• Earth's hemispheres receiving equal amounts of sunlight.

Why do we see phases of the moon?

• The tilt of Earth's axis as it rotates.

• The moon lights different portions of its surface throughout the month.

• As the moon revolves around the Earth, we see different portions of the lit side.

• The moon revolves and rotates at the same rate.

Which of these describes the position of Earth at the northern hemisphere's winter solstice?

• The southern end of the Earth’s axis is pointed towards the sun.

• The northern end of the Earth’s axis is pointed towards the sun.

• The noon day sun is overhead at the Tropic of Cancer, 23.5 degrees N.

• Earth's axis is pointed toward the equator.

How long does it take for Earth to make 1 revolution?

• 24 hours

• 365 1/4 days

• 1 month

• 1 day

How much of the moon is always illuminated?

• 50%

• 100%

• 0%

• 25%

Which statement is true based on the diagram?

• It is summer in the northern hemisphere.

• Its is winter in the southern hemisphere.

• It is an equinox.

• It is summer in the southern hemisphere and the northern hemisphere is receiving less direct sunlight.

Where does the moon get its light?

• Sun's reflection

• Earth's reflection

• The moon produces its own light

Why don't we have eclipses every month?

• The Earth's orbit is tilted 5%.

• The Earth's axis is tilted 5%.

• The moon's orbit is tilted 5%.

• The moon's axis is tilted 5%.