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Unit 9 test review
Unit 9 test review
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The Solar System; review day questions
Flashcards
25 cards
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Questions
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Answers
1
Which statement best describes the inner planets of our solar system?
they are primarily made of gases
they move at the same speed around the sun
they are made of rock
they travel the same distance around the sun
2
Which planet has the highest surface temperature?
Venus because the greenhouse gas keeps heat from escaping
Uranus because it's orbit passes close to the Sun
Jupiter because it retains heat due to its mass
Mercury because it is the innermost planet
3
Which of these statements is the reason why NASA sent an unmanned spacecraft to study Jupiter?
The distance to Jupiter is too far to travel there safely
The investigations required work better with robots
The cost of space travel to send astronauts is too expensive
The needed equipment cannot be operated by astronauts
4
What technology has been used by NASA to collect rock and water samples on Mars?
orbiters
rovers
telescopes
satellites
5
Kelly is building a model of planets to show their characteristics. Which is the best option?
a model showing only those planets that humans could live on
a model showing only the features that could support life
a model showing each planet's size, temp, composition etc.
a model about each of the planet's histories
6
Which planet has the tallest volcano in the Solar System named Olympus Mons?
Earth
Mercury
Venus
Mars
7
The geocentric theory years ago was a claim with great evidence. Why was it changed over time?
heliocentric theory was based on well established laws
the geocentric theory was supported by more evidence.
the geocentric theory proved that the Sun is at the center
heliocentric theory better explained the motion of planets
8
Which of the following is a difference between the gas giants and the terrestrial planets?
Terrestrial planets have thinner atmospheres than gas giants
gas giants are denser than the inner terrestrial planets
gas giants have rockier crusts than terrestrial planets
Terrestrial planets have thicker atmospheres than gas giants
9
List the inner planets in correct order from the Sun.
Jupiter, Saturn, Uranus, Neptune
Mercury, Earth, Mars, Venus
Mars, Venus, Earth, Mercury
Mercury, Venus, Earth, Mars
10
Which is true about Newton's Law of gravity?
When distance between objects decreases, gravity decreases
When masses of objects decrease, gravityalso decreases.
When distance between objects increases, gravity increases
When distance between objects increases, gravity decreases
11
Why do the gas giant planets have so many moons in comparison to the inner planets?
none of the above.
solar flares burned up the moons of the inner planets
the gas giants have stronger gravity so they have more moons
new moons periodically grow from the atmospheres
12
What keeps the moon in orbit around the Earth?
nuclear force
ocean tides
the distance away from Earth
gravity
13
Which best explains why Saturn is very large, but has a density less than the density of water.
Saturn is a gaseous planet
Saturn is farther from the Sun
Saturn has a ring around its center
Saturn has a shorter rotation period
14
A planet orbits the Sun in 88 Earth days. Which of the following best supports this?
The planet orbits the Sun at a slower speed than Earth does
The planet orbits closer to the Sun than Earth does
The planet's orbit is more circular than Earth's orbit
The planet's orbit is more elliptical than Earth's orbit
15
Why does dwarf planet Pluto take longer to revolve/orbit around the Sun than the other planets?
Pluto is farther from the Sun than the other planets
Pluto is smaller than the other planets
Pluto has small orbit.
Pluto has fewer satellites than the other planets
16
The Moon and the Sun appear to move across the Earth's sky. Why?
The rotation of Earth makes the Sun and Moon seem to move
Earth revolves around the Sun and the Moon
The rotation of the solar system makes Sun and Moon move
The Sun and Moon revolve around Earth
17
The gravity on Jupiter is greater than the gravity on Earth because Jupiter is more massive.
True
False
18
Which below describes what someone who supports a geocentric model theory thinks?
The Sun revolves around the Earth
Planetary orbits are elliptical
The stars and planets evolve over time
The Earth and other planets revolve around the Sun.
19
Saturn has a short day at about 10 Earth hours. Why would it be so short compared to our 24 hrs
Saturn has more moons than Earth
Saturn is less dense than Earth
Saturn is much farther from the Sun
Saturn rotates more rapidly than Earth
20
Which planet has the strongest recorded winds in the Solar System?
Uranus
Jupiter
Neptune
Earth
21
How did the planets in our solar system form?
an explosion caused it
the Sun's gravity trapped rocks from other Solar Systems
the Sun's gravity pulled rocks and other debris together
an asteroid collided with a planet and sent debris in orbit
22
What separates the inner planets from the outer planets?
Oort Cloud
Kuiper Belt
Meteoroid Belt
Asteroid Belt
23
Which of the following is most likely how long a day would be on Venus?
rotation of 243 days
revolution of 365.25 days
rotation of 24 hours
revolution of 225 days
24
Which of the following models refers to Earth-centered?
None of the above
Heliocentric
Egocentric
Geocentric
25
Which method best shows what the solar system looks like for someone who wants to see it?
Show the scale model hanging in your classroom
Verbally explain that the planets revolve around the Sun
Show a picture of each planet separately in a textbook
Draw a diagram of 3 astronomical bodies
