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chapter 21 solar system Flashcards | StudBud
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chapter 21 solar system
chapter 21 solar system
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9th grade science
Flashcards
25 cards
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Questions
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Answers
1
What makes the planets Uranus and Neptune blue in color?
methane
water
hydrogen
mercury
2
What is the area that is found between Jupiter and Mars called?
orbits
Asteroid Belt
rings around the outer planets
Oort Cloud
3
Earth is how many AU's away from the Sun?
11 AU
5AU
1 AU
10 AU
4
This planet often captures asteroids due to it's large graviational pull
Jupiter
Neptune
Saturn
Mercury
5
An object burns up in our atmosphere, it's sometimes called a shooting star. What is it really?
a meteor
an asteroid
a meteoroid
a meteorite
6
This planet rotates in retrograde
Mercury
Venus
Jupiter
Mars
7
This moon is volcanically active
Titon
Io
Europa
Triton
8
A comet's dim tail is made of?
liquid
solid
gas
9
If you were on Saturn, which planets could you see in retrograde?
Neptune
Jupiter
all of them
Earth
10
Pluto is no longer considered a major planet because
it is not round enough
it has not cleared its orbit
it does not orbit the sun
it is too small
11
Which of the following is NOT part of a comet?
tar
water ice
gas tail
methane
12
This planet's surface looks like Earth's moon
Venus
Mars
Neptune
Mercury
13
Where can you find a meteorite?
out in space
everywhere
in the atmosphere
hitting the surface of Earth
14
Which of the following is a NOT a dwarf planet?
Eris
Ceres
Pluto
Io
15
The best way to tell a planet from a star is
stars twinkle
none of these
stars move more over a period of time
planets are brighter
16
Which unit is best to measure from Earth to another star (besides the sun)
light years
kilometers
AUs
miles
17
This planet rotates vertically
Uranus
Neptune
Saturn
Pluto
18
Which object in our solar system has the most gravitational force?
Earth
The Sun
Jupiter
The Moon
19
the photo is of mars over several weeks. What is causing this pattern?
Mars shifting in it's orbit
Earth passing Mars
Mars passing Earth
Earth's shifting in it's orbit
20
The apparent movement of planets in the sky due to the orbital motion of Earth This is called
parallax
retrograde
orbital shift
eclipse
21
What kinds of objects originate from the Oort cloud?
asteroids
comets
protoplanets
meteors
22
Which of the following would be found in the Kuiper Belt?
asteroids
meteorites
short period comets
long period comets
23
planet that has a strong greenhouse effect
Venus
Mars
Earth
Jupiter
24
These planets are primarily gas, have rings, and lots of moons
asteroids
Terrestrial
Inner planets
Outer planets
25
This method of finding exoplanets uses the Doppler effect to detect the wobbling of a star
transit
wobbelography
optical detection
radial velocity
