Earth's Orbit
What is the difference between rotation and revolution?
What is the difference between rotation and revolution?
What causes day and night?
What is the rotation of the Earth on its axis?
This is the approximate length of time it takes the moon to revolve around the Earth.
What is one month (or about 27-28 days)?
This type of eclipse happens when the Moon passes between the Sun and Earth, blocking the sun's light.
What is a solar eclipse?
It takes the Earth 24 hours to complete one rotation. This movement has the effect of creating this cycle.
What is day and night?
This is the main reason why we have four different seasons on Earth.
What is the tilt of the Earth's axis?
Tides are caused by the gravitational pull of the moon and the sun on Earth's oceans. High tides occur about this often.
What is every 12 hours?
This type of eclipse happens when the Earth passes directly between the Sun and the Moon, casting a shadow on the moon.
What is a lunar eclipse?
The Earth revolving around the sun causes this unit of time.
What is a year?
In the Northern Hemisphere, this day has the fewest daylight hours.
What is the winter solstice?
This is why the sun appears to move across the sky during the day.
What is the Earth's rotation?
The Earth's orbit around the sun takes approximately this long.
What is one year (or 365.25 days)?