Tides, Moon Phases And Eclipse Question Preview (ID: 34632)


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Why is the timing of tides predictable?
a) because winds are predictable
b) because the moon’s path is predictable
c) because ocean water density is predictable
d) because the sun’s movements are predictable

What causes tides?
a) density differences in ocean water
b) heat from the sun, which causes winds
c) underwater earthquakes, volcanic eruptions, or landslides
d) the gravitational pull of the moon on the water at Earth’s surface

Which gravitational pull has the greatest effect on tides?
a) the sun’s gravitational pull on Earth
b) the moon’s gravitational pull on Earth
c) Earth’s gravitational pull on the moon
d) the sun’s gravitational pull on the moon

Taylor and Jose pulled their boat up onto the beach and went on a hike. When they returned, the beach was covered by water and the boat was floating offshore. What is the most likely explanation?
a) The low tide receded and pulled the boat out to sea.
b) The spring tide came early.
c) The gravitational pull of the sun and moon decreased the tidal range
d) The water level rose due to the high tide.

Which of these statements best describes tides?
a) a water level lower than the average water level
b) a water level higher than the average water level
c) changes in water level that happen when Earth, the sun, and the moon form a straight line
d) the periodic rise and fall of water levels in the oceans and other large bodies of water

The phases of the moon are the regular changes in how the moon looks from Earth. In which phase is the moon not visible from Earth?
a) new moon
b) gibbous
c) crescent
d) full moon

The cycle of the moon’s phases repeats in a predictable way. About how long does it take to cycle from one new moon to the next new moon?
a) 1 day
b) 1 week
c) 1 month
d) 1 year

The phases of the moon are the changing appearances of the moon, as seen from Earth. Which solar system event can happen only during a full moon?
a) new moon
b) solar eclipse
c) lunar eclipse
d) gibbous

Occasionally, one space object travels through the shadow of another space object. When the moon moves between the sun and Earth casting a shadow on Earth, which solar system event is taking place?
a) full moon
b) crescent moon
c) solar eclipse
d) lunar eclipse

Sometimes the moon looks like a crescent. At other times, the moon looks like a half circle. What makes it possible for you to see the surface of the moon from Earth?
a) The moon gives off its own light.
b) Light from the sun is reflected by the moon’s surface.
c) Light from Earth is reflected by the moon’s surface
d) The moon absorbs sunlight during the day and glows at night.

When the Earth is aligned with and between moon and the sun, which phase is happening?
a) full moon
b) new moon
c) quarter moon
d) crescent moon

When the Sun, moon and Earth make a right angle, which phase is happening?
a) full moon
b) new moon
c) quarter moon
d) crescent moon

Earth and the other planets of our solar system orbit the sun. Which of the following keeps planets in our solar system in orbit around the sun?
a) em waves
b) friction
c) gravity
d) solar radiation

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