Astronomy
Comets, Meteors, Asteroids
Earth & Moon
The Planets
Vocabulary
100
What do all the inner planets have in common?
They are all small, rocky and terrestrial
100
Which of these are described as "dirty snowballs"?
comets
100
What causes the Earth to have seasons?
The tilt and revolution
100
Which planet is known as the "red planet?"
Mars
100
What phase is this moon in?
Last quarter of 3rd quarter
200
What is the name of the model that puts Earth as the center of the system of planets?
Geocentric
200
Where is the Asteroid Belt located?
Between Mars and Jupiter
200
What degree is the Earth's tilted on its axis?
23.5
200
What planet is known as a dwarf planet?
Pluto, Eris, or Ceres
200
Name the 2 factors that keep Earth in orbit.
gravity and inertia
300
What do astronomers us to measure the distance of the planets from the sun?
Astronomical Units or AU
300
Why are meteors called "shooting stars?"
Because that is what they look like as the burn up in the mesosphere.
300
When an astronaut goes to the moon what will change? a) volume b) mass c) weight d) density
c) weight
300
Which planet is the largest?
Jupiter
300
Who was the first scientist to use the telescope to see the sky?
Galileo
400
Name all the planets in their proper order from the sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Dwarf Pluto
400
What are large chunks of rocks in space?
Asteroids
400
What cause the rise and fall of the Earth's ocean?
Moon's gravitational pull
400
Why is Earth the most unique planet?
It can support life.
400
Mercury, Venus, Earth & Mars are known as these kinds of planets
Terrestrial
500
What ancient astronomer came up with the heliocentric theory?
Copernicus
500
Where do scientists think comets come from?
The Keiper Belt of Oort Cloud
500
What are the 2 gases that make up the Earth's atmosphere?
nitrogen and oxygen
500
What are Saturn's rings made of?
Gas and dust
500
What is the name for the orbit shape when the planets orbit the sun?
Ellipitcal or ellipse
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