Show:
History
Gravity
Tides
Moon Phases
Day/Night and Seasons
100
Originally, many people believed we lived in what kind of solar system?
What is earth-centered or geocentric
100
True or False: Objects with greater mass have more gravitational pull
What is true
100
What is high tide?
What is when the water level is higher than average
100
How many days does it take for the moon to orbit the Earth?
What is 1 month
100
How many days does it take for the Earth to orbit the sun?
What is 365.25 days
200
Who developed a telescope to view celestial bodies and determined that the solar system was sun centered?
What is Galileo
200
Define gravity.
What is the force of attraction between objects due to their mass and distance between them
200
What determines the tides?
What is the moon's gravitational pull or the moon's position
200
What is the name of the phase where no moon is visible?
What is New Moon
200
What determines day versus night?
What is the side of the Earth facing the sun
300
Who was a Greek philosopher who thought that the solar system must be Earth-centered because he did not see the stars move.
What is Aristotle
300
True or False: Gravity is the weakest force on the planet and the lease important.
What is False
300
How many high and low tides are there a day?
What is two each
300
Which phase (waxing or waning) is when more of the moon is becoming lit?
What is Waxing
300
What determines the seasons?
What is the tilt of the Earth's axis
400
Who lived in Alexandria, Egypt; wrote a book; and developed the "wheels-on-wheels" model?
What is Ptolemy
400
What is the force that causes objects to move in a circular path?
What is centripetal force
400
What is the tidal force?
What is the difference in gravitational force
400
The dark and light spots of the moon do or don't change throughout the phases?
What is don't
400
If it is daytime in China, what is it in the US?
What is nighttime
500
Who is a Polish astronomer, who developed the first helio-centric model of the solar system?
What is Copernicus?
500
What keeps the planets moving in orbit?
What is the gravitational pull of the sun
500
What are tides?
What is the daily change in the level of ocean water
500
What is the phase called when there is a small crescent on the right side of the moon?
What is waxing creascent
500
If it is summer in Australia, what season is it in the US?
What is winter