Moon Review - Earth Science

Front

What is the new-moon phase?

Back

The new-moon phase occurs when the Moon is positioned between the Earth and the Sun, making it invisible from Earth.

Front

Why doesn't a new-moon phase always cause a solar eclipse?

Back

The Moon's orbit is tilted relative to the Earth's orbit, preventing a direct alignment necessary for an eclipse.

Front

What is a lunar eclipse?

Back

A lunar eclipse occurs when the Moon passes into Earth's shadow, blocking sunlight from reaching the Moon.

Front

What is the approximate time of the next high tide if the previous high tides were at 9:12 a.m., 9:38 p.m., and 10:04 a.m.?

Back

The next high tide is approximately at 10:38 p.m.

Front

At which positions of the Moon can an eclipse occur?

Back

Eclipses can occur when the Moon is at positions 1 and 5 in its orbit.

Front

What arrangement of the Sun, Moon, and Earth results in the highest high tides?

Back

The highest high tides occur when the Sun, Moon, and Earth are aligned in a straight line (Arrangement C).

Front

What causes tides on Earth?

Back

Tides are caused by the gravitational pull of the Moon and the Sun on Earth's oceans.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the Moon blocks the Sun from view on Earth, while a lunar eclipse occurs when the Earth blocks sunlight from reaching the Moon.

Front

What is the significance of the Moon's orbit being tilted?

Back

The tilt of the Moon's orbit prevents perfect alignment with the Earth and Sun, which is necessary for eclipses.

Front

How often do high tides occur?

Back

High tides typically occur twice a day due to the gravitational forces of the Moon and Sun.