Rotation
How long does it take the Earth to rotate once?
24 hours
How long does it take the Earth to revolve around the Sun? (Exact answer!)
365.25 days or 365 days and 6 hours.
What is the correct order of the seasons?
Winter, spring, summer, fall.
Explain why the moon is lit up at night.
The moon reflects the sunlight from the sun.
Why does the Sun appear to move across the sky?
Because of Earth's rotation.
At what degree is the Earth tilted?
23.5 degrees
A. 365.25 days.
B. About 27 days.
C. 365.50 days.
D. About 31 days.
B. About 27 days.
If it is summer in the southern hemisphere, what season would it be in the northern hemisphere?
Winter.
How long does each moon phase last?
About 3-4 days.
What phenomenon is caused by Earth's tilt?
Seasons.
Describe why we have night and day.
As Earth rotates only one side of it is facing the sun. That side that is facing the sun is receiving direct sunlight causing daytime. The side facing away from the sun is experiencing night time.
Describe why we get a new moon once a month.
As the moon revolves, it sometimes will sit between the Earth and the Sun. When it does that, the side of the moon facing the sun will be lit, but the other side that we see will not.
How many zodiac constellations are there?
12. One for each month of the year.
True or false: The moon's rotation and revolution are equal.
True.
If the sun is directly above you and you cast no shadow, what time of day is it?
12 pm or noon. The middle of the day.
Which is longer? Earth's rotation or the Moon's rotation?
The moon's rotation
Explain why we have a leap year every four years.
It takes the Earth 365 days and 6 hours to complete one revolution. After 4 years, those 6 hours add up to 24 hours, which is equal to one whole day so they add it to the fourth year.
Explain why we see different constellations throughout the year.
This is caused by Earth’s orbit around our Sun. In the summer, viewers are looking in a different direction in space at night than they are during the winter.
Name all the moon phases in order starting with the waxing gibbous.
Waxing gibbous, full moon, waning gibbous, third quarter, waning crescent, new moon, waxing crescent, first quarter.
What is the order of the planets in our solar system.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Which direction do the sun and the constellations move across the sky?
From East to West.
How many times does the moon revolve around the Earth in a year?
It takes the moon about a month to revolve around the Earth once and the Earth 12 months to revolve around the sun once so the moon would revolve around the Earth 12 times in a year.
If I use a telescope to observe the constellation Gemini in the sky at 8 pm, what will the constellation look like again at 11 pm?
The Gemini constellation will have shifted westward across the sky.
If it were a waning crescent today, what phase would it be in 2 weeks?
Waxing gibbous.
If the moon was completely lit up now, how long would it be before it was completely dark?
14 days or two weeks.