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Unit 6 - The Solar System Flashcards | StudBud
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Unit 6 - The Solar System
Unit 6 - The Solar System
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Lakehurst 7-8th grade solar system quiz #solarsystem
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Questions
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Answers
1
Which scientist worked out the mathematics for the elliptical orbits of the planets?
Galileo Galilee
Copernicus
Johannes Kepler
Newton
2
Why are stars, dwarf planets and planets round?
Larger object collapse toward their center cause of gravity
The suns gravity makes objects round
Objects become round because they spin
All objects in space will end up being round at one point
3
Retrograde rotation is when a planet _____________ around the Sun(opposite of prograde).
rotates in the same direction it revolves
spins faster than it revolves
rotates in the opposite direction it revolves
spins slower than it revolves
4
What is a meteorite?
meteoroid that lands on the surface of Earth
rock that burns up in the atmosphere
a rock that moves through space
a large rock in space
5
What do we call the earth centered model of our solar system?
Geocentric
Heliocentric
Egocentric
Geo circular
6
What do we call this feature on the surface of the Sun?
Solar flare
Coronal mass ejection
Sun spot
Solar prominence
7
Newton's first law describes ________ , the tendancy for an object to resist change in motion.
Mometum
Speed
Gravity
Inertia
8
Where is the asteroid belt located?
Between Earth and Mars
Beyond the orbit of Neptune
Between Mars and Jupiter
Between Saturn and Jupiter
9
Which planet has the most complex system of rings?
Saturn
Uranus
Neptune
Jupiter
10
Which planet has one moon and liquid water ?
Jupiter
Mars
Earth
Venus
11
What is the distance of an Astronomical Unit (AU)
150,000 miles or 93,000 km
150,000,000 miles or 93,000,000 km
150,000,000 km or 93,000,000 miles
150,000 km or 93,000 miles
12
Galileo discovered the moons of _____________ using a telescope that he invented?
Jupiter
Mercury
Saturn
Mars
13
Name the four inner planets.
Mercury, Venus, Uranus, Mars
Jupiter, Mars, Earth, Neptune
Mercury, Venus, Earth, Mars
Mars, Mercury, Earth, Pluto
14
A force that attracts objects to each other.
Gravity
Inertia
Nuclear
Momentum
15
What is the order of the planets starting with the planet that is closest to the Sun?
Mer, Ven, Earth, Mars, Jup, Sat, Ur, Nep
Mer, Earth, Mars, Ven, Jup, Nep, Sat, Ur
Nep, Ur, Sat, Jup, Mars, Earth, Ven, Merc
Mer, Earth, Ven, Mars, Jup, Sat, Ur, Nep
16
What feature of a planet is responsible for the greenhouse effect?
Core
Position in the solar system
Atmosphere
Surface
17
Where does nuclear fusion take place within a star?
The radiation zone
The core
The photosphere
The chromosphere
18
Which planet has red storm similar to a hurricane raging in its atmosphere?
Mars
Saturn
Mercury
Jupiter
19
Why does Mars have a reddish color?
it's on fire
methane
iron oxide (rust) in the soil
too close to the sun
20
What are Saturn's rings made of?
particles
water vapor
particles of ice & dust
gold
21
What is the scientific term for the shape of a planet's orbit?
oval
eclipse
ellipse
round
22
Which planet has the most moons?
Jupiter
Neptune
Mars
Saturn
23
What is the outermost layer of the Sun's atmosphere called?
Chromosphere
Convection zone
Photosphere
Corona
24
What planet would have the coldest average temperature and why?
Mercury - no atmosphere
Uranus - far from the sun
Mars - Atmosphere made of CO2
Earth - close to the sun
25
What is a meteoroid?
a large rock in space
rock that burns up in the atmosphere
a small rock in space
meteoroid that strikes a planet or moon
26
What factor is responsible for the length of a planets year (revolution around the sun)?
composition of the planet
Speed of rotation
Retrograde rotation
Distance from the sun
27
What causes planets to revolve around the Sun?
inertia
suns gravity
dark matter
gravity and inertia
28
A period of rotation is the time it takes an object to travel once around the sun.
True
False
29
Where is the Kuiper belt located?
Between Earth and Mars
Between Saturn and Jupiter
Between Mars and Jupiter
Beyond the orbit of Neptune
30
What do we call the process of gravity pulling objects together, forming larger objects?
accretion
planetesimals
formation
grouping
31
The average distance from Earth to the Sun is an Astronomical Unit.
True
False
32
A period of revolution is the time it takes an object to complete one rotation.
False
True
33
What is the key component of the Heliocentric model
The Sun is the center of the solar system
Earth is at the center of the solar system
The galaxy orbits the Sun
The universe orbits the Earth
34
Where do most comets originate?
Oort cloud
The asteroid belt
The Sun
Kuiper Belt
35
Which is NOT a part of the suns interior?
Chromosphere
Core
Convection zone
Radiation zone
36
Which planet spins on its side due to a tilted axis of rotation?
Neptune
Uranus
Jupiter
Saturn
37
What is a meteor?
a small rocky particle that moves through space
rock that burns up in the atmosphere
meteoroid that lands on the surface of Earth
a large rock in space
38
Universal Gravitation states that the strength of gravity depends on what two factors?
Mass and Inertia
Mass and Distance
Inertia and Distance
Mass and Volume
39
Name the four gas giants.
Jupiter, Saturn, Mars, Neptune
Neptune, Uranus, Saturn, Jupiter
Mars, Earth, Jupiter, Uranus
Neptune, Saturn, Mercury, Jupiter
40
Explain why Mercury doesn't have an atmosphere.
weak magnetic field
too far from the sun
too large
doesn't have enough gravity
