Centrism
What is a planet?
Seasons
Gravity
100
Heliocentrism's meaning.
Sun in center.
100
Is this a planet?
No, not round.
100
What causes Earth's seasons?
Earth's axis tilt.
100
Who founded the law of gravity?
Issac Newton.
200
Heliocentrism replaced this older model.
Geocentrism
200
Is that is planet? (Hint, it has NOT cleared its orbit)
No, has not cleared orbit.
200
Earth's axis is tilted at what degree?
23.5
200
Mass does not change between planets but ______ does.
Weight
300
This man proved heliocentrism.
Galileo Galilei
300
Is this a planet? (The smaller one)
No (Orbits a planet)
300
What is the Equinox?
Day and night is 12 hours.
300
If the distance between the objects doubles, the force of gravity decreases_____its original value
1/4
400
This was the first man to think of heliocentrism.
Aristarchus
400
Is this a planet?
Yes, it is Mercury, it is round and cleared its orbit.
400
What is the solstice?
When the sun appears highest in the sky.
400
Explain why the Earth won't fall into the sun.
Inertia keeping our motion.
500
This is how Galileo found the first evidence for heliocentrism.
Found 4 moons orbiting Jupiter.
500
Why is Pluto no longer a planet?
Did not clear its cosmic orbit.
500
If it is summer in New Zealand, what is Japan's Season and what is Indonesia's season?
Winter in Japan, No season in Indonesia (always summer).
500
Newton’s First Law of Motion states an object at rest will stay at rest, and an object in motion will stay in motion with constant speed and direction unless
A force is acted upon it.