What is Jupiter mostly made out of?
Hydrogen and Helium
How many inner planets are there?
4
What is the first and most serious danger of a tornado?
Wind
Who popularized the idea that the universe is geo-centric ("earth-centered")?
Aristotle
How many moons does the Earth have?
How many Gas Giants are there?
Which planet is closest to the sun?
Mercury
What is the most powerful type of thunderstorm?
supercell
What is another name for "sun-centered"?
heliocentric
How long does it take for the moon to orbit Earth?
29 days, 12 hours, and 44 minutes
How many rings does Saturn have?
7
Which planet is sometimes referred to as "Earth's Twin"?
Venus
With what type of cloud does a thunderstorm begin?
Cumulus
Who proposed that the planets orbit the sun and not the earth?
Copernicus
What is Earth's distance from the Sun?
93,000,000 miles
What is Uranus made out of?
Hydrogen, Helium, Ammonia, and Methane (Any one of these counts)
Which planet is considered the "Red Planet"?
Mars
What is an abrupt discharge of electricity through the air that produces a quick flash of bright light?
Lightning
Who built the first telescope?
Galileo Galilei
What percent of Earth is water?
71% ( 70% is also accepted)
Which planet was discovered mathematically before it was seen?
Neptune
What is the smallest planet?
Mercury
What is a long line of thunderstorms found along a cold front?
Squall Line
Who developed the three laws of planetary motion?
Kepler