Moon Phases
The moon phase where the Sun illuminates the entire side of the Moon facing Earth.
What is a Full Moon?
This term describes the movement of a planet around the Sun or a moon around a planet.
What is Revolution (or Revolve)?
This season occurs when a hemisphere is tilted toward the Sun.
What is Summer?
This movement of Earth on its axis is what causes the cycle of day and night.
What is Rotation?
The moon phase where exactly half (1/2) of the Moon's surface is illuminated by the Sun.
What is a Quarter Moon?
The specific natural path the Earth follows as it revolves around the Sun.
What is an Orbit?
This is the combined effect caused by the tilt of the Earth's axis and the Earth's revolution around the Sun.
What are the Seasons?
The time it takes for Earth to rotate one time on its axis.
What is 24 Hours (or 1 Day)?
This is the name of the phase that follows the Waning Gibbous phase in the lunar cycle.
What is a Third Quarter Moon
The approximate amount of time it takes for the Earth to complete one full revolution around the Sun.
What is 365 days (or one year)?
When a hemisphere is tilted toward the Sun, the length of the day is this compared to the night.
What is Longer?
This is why the Sun appears to rise in the east and set in the west every day.
What is Earth Rotating on its axis?
This is the reason the appearance of the Moon changes in a repeating pattern over about 29 days.
What is the Moon revolving around the Earth?
The movement of the Earth that occurs when it spins on its axis during a 24-hour period.
What is Rotation?
This is why there are fewer hours of sunlight in the winter compared to the summer.
What is "Because the Earth's axis is tilted away from the Sun"?
The best explanation for why the length of day and night changes throughout the year.
What is "Earth is tilted on its axis and orbits the sun"?
This phase occurs when less than half (1/2) of the Moon's surface is illuminated by the Sun.
What is a Crescent Moon?
If the Earth was not tilted on its axis, this is the most likely change that would occur.
What is "Earth would no longer experience changes in seasons"?
This is the region on Earth where the tilt of the Earth is neither toward nor away from the Sun, causing the temperature to remain warm year-round.
What is the Equator?
The black sections shown in a diagram of the Moon phases represent this.
What are Shadows (or areas with no sunlight)?