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unit 7 Galaxy, Solar System, and Planets Flashcards | StudBud
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unit 7 Galaxy, Solar System, and Planets
unit 7 Galaxy, Solar System, and Planets
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1
The picture shows an abundance of objects between the orbits of Mars & Jupiter. What are they?
comets
planets
asteroids
stars
2
Which planet is the solar system's largest rocky planet?
Jupiter
Mercury
Mars
Earth
3
Sirius is the brightest star in the night sky. Which statement about Sirius is true?
Sirius must be larger & have more energy than any other star
Must be very hot, large, and close to Earth comparatively
Sirius must be the hottest star in the sky
Sirius must be the closest star to Earth
4
Massive, Gaseous, Cold, Has Rings, Revolves around a star
These could be meteors
These could be outer planets
These could be comets
These could be inner planets
5
Which list shows the correct order of planets from the sun?
Earth, Mars, Venus, Jupiter
Mercury, Venus, Earth, Mars
Mars, Venus, Earth, Saturn
Uranus, Jupiter, Neptune, Saturn
6
How are asteroids and comets similar?
They are both located between Mars and Jupiter
They both have tails.
They both orbit stars
They both contain ice.
7
1. Which two planets are most similar in their composition?
D. Earth and Mars
B. Earth and Neptune
C. Venus and Saturn
A. Venus and Jupiter
8
What planet has the most moons?
Jupiter
Saturn
Earth
Pluto
9
What features do all of the inner planets have in common?
they have thick atmospheres
they have moons
they have rocky surfaces
they have rings
10
A _ is a huge system of gas, dust, stars, and objects orbiting stars held together by gravity.
gas giant
galaxy
comet
meteor
11
What is a galaxy?
A system of billions of stars
space derbis
A system of planets
solar system in a marble kept in a locker at train station
12
Do inner planets or outer planets have more moons?
Inner Planets
Outer Planets
13
True or false? Sirius A is the brightest star in the night sky.
False
True
14
Look at the illustration. What type of galaxy is shown in the illustration?
spiral galaxy
elliptical galaxy
dwarf galaxy
irregular galaxy
15
There are two natural objects that revolve around Mars. What are these objects called?
dwarf planets
moons
meteors
comets
16
Which planet is an inner planet?
Uranus
Saturn
Venus
Neptune
17
Which planet has a rocky surface?
Neptune
Saturn
Venus
Jupiter
18
Which choice best describes the parts of the Milky Way?
Earth, its moon, the sun, and Jupiter
asteroids, comets, objects that orbit stars, and the sun
gas, dust, stars, and objects that orbit stars
the inner planets, the outer planets, gas, and dust
19
Which of the following is the best description of a galaxy?
all the matter that exists in space
a group of ⭐️'s in a set pattern that can be seen from 🌍
a star and all the moons the orbit it 🌗
⭐️'s, gas, & dust including planets that orbit the ⭐️'s
20
Which is true about planets and asteroids?
They have an atmosphere
They are round
They have cleared their orbit
They revolve around the sun
21
What do Jupiter, Saturn, Uranus, and Neptune have in common?
They all appear to be similar to Earth
They all appear to be made of rock and ice
They all have rocky surfaces
They are all gaseous planets
22
Which is an object in the solar system that is a frozen mass of ice and dust, and has a tail?
a comet
a moon
a planet
an asteroid
23
Why does Earth receive more energy from the Sun than from any other star?
The Sun is the hottest star in the galaxy.
The Sun gives off more energy than any other star.
The Sun is the closest star.
The Sun is a very young star.
24
Which of these planets is most like Earth?
Venus
Jupiter
Mars
Neptune
25
What are the surfaces of the outer planets mostly made of?
minerals
rocks
gases
water
26
How are asteroids and comets different?
comets orbit the sun, while asteroids orbit Earth.
Asteroids are much smaller than comets.
Comet-made up of rock/ice/frozen gases, asteroid-rock/metal
Asteroids are pieces of Earth, comets are pieces of the sun.
27
What is the solar system?
all of the 8 planets in their orbit around the Earth
all of the 8 planets in their orbit around the Moon
all of the 8 planets in their orbit around a Bobcat
all of the 8 planets in their orbit around the Sun
