16 What are tides (changes in wind direction) (the rise and fall of ocean water) (waves caused by boats)
the rise and fall of ocean water
2 What causes the Moon to shine in the night sky (it produces its own light) (it reflects sunlight) (it is made of fire)
it reflects sunlight
10 What is an eclipse (the Moon disappears) (a shadow caused when one object in space blocks another) (the Sun gets brighter)
a shadow caused when one object in space blocks another
18 During which Moon phases do spring tides occur (new moon and full moon) (first quarter and third quarter) (crescent and gibbous)
new moon and full moon
3 What are the dark flat areas on the Moon called (craters) (maria) (penumbra)
maria
17 What mainly causes tides on Earth (gravity from the Moon and Sun) (Earth’s rotation only) (clouds and rain)
gravity from the Moon and Sun
19 What causes spring tides (the Sun and Moon pull at right angles) (the Sun Moon and Earth line up) (Earth stops rotating)
the Sun Moon and Earth line up
14 What type of eclipse do people in the penumbra see (total eclipse) (partial eclipse) (no eclipse)
partial eclipse
6 During which phase is the Moon between Earth and the Sun (full moon) (new moon) (third quarter)
new moon
9 How long does one complete Moon phase cycle take (7 days) (29.5 days) (365 days)
29.5 days
5 Why does the same side of the Moon always face Earth (the Moon does not rotate) (the Moon rotates once in the same time it orbits Earth) (Earth blocks the other side)
the Moon rotates once in the same time it orbits Earth
8 Which Moon phase appears half lit after about one week (new moon) (first quarter) (full moon)
first quarter
15 Why are lunar eclipses visible to more people (the Moon is larger than Earth) (Earth’s shadow is much larger) (the Sun becomes brighter)
Earth’s shadow is much larger
1 Why does the Moon appear to change shape during the month (Earth changes shape) (different parts of the lit Moon are visible from Earth) (the Moon produces different amounts of light)
different parts of the lit Moon are visible from Earth
13 What is the lighter part of a shadow where sunlight is partially blocked called (umbra) (penumbra) (maria)
penumbra
7 During which phase is the entire sunlit side of the Moon visible from Earth (new moon) (first quarter) (full moon)
full moon
11 What is the darkest part of a shadow called (penumbra) (umbra) (tide)
umbra
4 What is the side of the Moon that always faces Earth called (far side) (dark side) (near side)
near side
20 During which Moon phases do neap tides occur (new moon and full moon) (first quarter and third quarter) (only during eclipses)
first quarter and third quarter
12 Where can a total solar eclipse be seen (only inside the umbra) (everywhere on Earth) (only inside the penumbra)
only inside the umbra
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