What is the sun, the planets, and many smaller objects
100
what is significant about Pluto's moon Charon?
What is its period of revolution is the same as its period of rotation.
100
What is the name of the Earth's moon?
What is Luna
100
What kind of rotation does the earth have?
What is Prograde
100
What is the distance of earth from the sun in light minutes
What is 8.3
200
Who discovered the Galilean satellites
What is Galileo
200
What is the difference between a moon and a satellite?
What is satellites can be natural or artificial, while moons are only natural.
200
What type of meteorite is made up of just rocky material?
What is stony meteorite
200
Why is Mars a cold planet?
What is because of it's thinner atmosphere and greater distance from the sun.
200
How much would you weigh on mercury if you weighed 100 lbs on earth.
What is 38 lbs.
300
What are the two types of tails that a comet can have?
What is ion tales and dust tails.
300
What type of meteorite is made up of rocky material, iron, and nickel.
What is a stony-iron meteorite
300
What is it called when the sunlit fraction of the moon is getting larger?
What is waxing
300
List the outer planets in order from distance from the sun.
Jupiter, Saturn , Uranus, Neptune
300
Where do scientists think water is on mars?(2 theories)
What is possibly frozen beneath the martian soil, polar ice caps.
400
Explain the torino scale
What is a system that allows scientists to rate the hazard level of an object moving toward earth.
400
How can scientists learn more about early lifeforms on earth by studying Titan?
What is Titan has a hazy orange atmosphere. Earth's early atmosphere may have been similar to Titans is currently.
400
How do meteor showers happen.
What is when earth passes through the dusty debris that comets leave behind.
400
Briefly explain the greenhouse effect.
What is co2 traps thermal energy from sunlight increasing temperature of a planet.
400
What planet has the hottest surface, what is the temperature in Celsius.
What is venus, 464c
500
Why does Earth's moon have many more impact craters than the Earth does? (2 reasons) List 1
What is 1)the moon does not have an atmosphere to slow objects down. Earth's atmosphere acts like a shield. Smaller objects burn up before they ever reach the surface. 2) Most craters left on Earth are no longer visible because of weathering, erosion, and tectonic activity
500
Why do scientists believe Uranus is tipped at almost 90 degrees?
What is it must have been hit by a massive object that tipped the planet over
500
Explain the current theory of how the moon formed
What is a large Mars sized object collided with Earth while Earth was still forming. Part of the Earth's mantle was blasted into orbit around Earth.
500
What are the names of Mars's two moons?
What is Phobos and Diemos
500
list the phases of the moon.
What is 1st quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent, waxing crescent, new moon.