What is a light-year?

the distance light travels in 1 year

Why does Venus have the highest temperatures of any planet in our solar system?

it is experiencing an extreme greenhouse effect

According to the H-R diagram, what is generally true about stars?

the brighter they are the hotter they are

Which best describes a CME (coronal mass ejection)?

violent eruptions from the corona that may reach Earth

What did William Herschel do for astronomy?

discovered our galaxy was much larger than we thought

What best describes nuclear fusion?

when two atoms are combined to form one atom

Though only slightly larger than the Moon, why is Mercury nearly as heavy as Earth?

Mercury has an extremely large iron core

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Solar System and Stars Quiz

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Quiz on facts about our solar system, the Sun and stars - created for grade 6

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Questions 35

Answers

1
Which star most likely has the highest temperature?
Procyon - a white star
Capella - a yellow star
Eta Carinae - a blue star
Betelgeuse - a red star
2
What is a light-year?
the distance light travels in 1 year
the distance between Earth and the Sun
the distance between the Sun and the nearest star
the time it takes light to travel 1 million miles
3
Which star is brighter?
Betelgeuse is a magnitude 0.4
Polaris is a magnitude 1.9
Sirius is a magnitude -1.4
Rigel is a magnitude 0.1
4
Which planet is considered Earth's sister planet?
Venus
None of these
Mars
Mercury
5
What planet is 7th from our Sun?
Saturn
Uranus
Neptune
Jupiter
6
What instrument do astronomers use to determine star composition?
spectroscope
stellarscope
microscope
telescope
7
One of Jupiter's moons is the only one to have active volcanoes? Which one is it?
Io
Ganymede
Callisto
Europa
8
Compared to other stars, how big is the Sun?
One of the Largest We Know of
Large Sized
Average Sized
Small Sized
9
About how long did it take for our solar system to form?
100 years
100 million years
100 trillion years
100 billion years
10
What is the most common type of star system?
a triple-star system
a double-star system
a single-star system
a black hole system
11
What type of star grouping contains hundreds of thousands of stars grouped closely together?
open cluster
crowded cluster
globular cluster
dense cluster
12
What is the fifth layer of the Sun as you count out from the core? #1 would be the core.
Chromosphere
Corona
Photosphere
Convection Zone
13
What does the root word stellar mean?
relating to moons
relating to stars
relating to planets
relating to asteroids
14
Why does Venus have the highest temperatures of any planet in our solar system?
it is closest to the Sun
it has no atmosphere
it is experiencing an extreme greenhouse effect
the surface of Venus is covered with active volcanoes
15
What gives the surface of Mars its reddish color?
lava
iron oxide
red sand
solar wind
16
What is a star?
has a core so hot nuclear fusion occurs
large ball of hot gas
all of these
held together by gravity
17
How do scientists classify stars?
density
gravitational pull
color
distance from Earth
18
What is the speed of light?
186 million miles per second
186 light-years per second
186 thousand miles per second
186 miles per second
19
What causes the apparent motion of stars?
Earth's rotation
Stars moving east to west
Earth's gravity
the Sun's gravity
20
What are Saturn's rings composed of?
dust & ice
gases
magnetic rocks
solar flares
21
How far from the Sun is the closest star?
42 LY
11 LY
2.3 LY
4.2 LY
22
Which of Saturn's moons is the only moon we know of with a thick atmosphere?
Mimas
Janus
Titan
Rhea
23
Which planet has a system of rings?
Neptune
Venus
Mars
all of these
24
What is the name of the Sun?
Sol
Luna
Sun
Gaia
25
According to the H-R diagram, what is generally true about stars?
the brighter they are the cooler they are
the hotter they are the smaller they are
the hotter they are the less gravity they have
the brighter they are the hotter they are
26
Which planet in our solar system is tilted 90 degrees on its axis, so its poles face the Sun?
Uranus
Jupiter
Neptune
Saturn
27
What best describes white light?
it is also known as visible light
it is made up of all the colors of the rainbow
it is part of the EM spectrum
all of these
28
What is the EM spectrum?
Electromagnetic spectrum
Enveloping Magnetosphere spectrum
Environmental Mechanical spectrum
Entire Matrix spectrum
29
Which best describes a CME (coronal mass ejection)?
a stream of particles moving away from the Sun
dark areas on the surface of the Sun that are cooler
violent eruptions from the corona that may reach Earth
violent eruptions from the photosphere staying near the Sun
30
What is the Olympus Mons?
an enormous series of canyons on Mars
a gigantic mountain range on Pluto
a hefty group of boulders near Pluto's South Pole
a huge volcano on Mars
31
What did William Herschel do for astronomy?
counted all of the stars in the night sky
invented the long-range telescope
discovered our galaxy was much larger than we thought
discovered Pluto as a planet
32
What best describes nuclear fusion?
when two atoms are combined to form one atom
when several atoms are stacked on top of each other
when two atoms are split apart to form one atom
when one larger atom is dissolved into two smaller ones
33
Approximately how much of the matter in our solar system is contained in the Sun?
100%
95%
92%
98%
34
Though only slightly larger than the Moon, why is Mercury nearly as heavy as Earth?
Mercury has a larger gravitational pull than Earth
there are tons of dust particles on Mercury's surface
Mercury is closest to the Sun
Mercury has an extremely large iron core
35
Which is NOT part of the Sun's atmosphere?
Photosphere
Radiative Zone
Corona
Chromosphere

Solar System and Stars Quiz Flashcards | StudBud