WorksheetsESH U9: STARS Test Review
Total questions: 25
Worksheet time: 15mins
Science is the study of the .......
natural world
supernatural world
life in the universe
EVERYTHING.
Stars are made of (a)
What is the sun's solar radius?
1
10
100
1000000000000000000000000000000000000000
1000
Luminosity most likely means
brightness
color
temperature
size
Stars are powered by....
nuclear fusion
geothermal processes
biogeochemical processes
radon particles fizzling
Look at the HR diagram. Based on this diagram, which color stars are the HOTTEST?
Blue
red
White
Yellow
Chartreuse
T/F: The larger a star, the hotter it is.
True
False
cute
Why are UV rays, X rays, and gamma rays so deadly? Because they have high (a) (2 possible answers)
The milky way is a galaxy. Galaxies are made of...
one star and billions of planets
billions of stars and billions of planets
billions of stars and one planet
candy
one star, 7 planets, and billions of asteroids
Stars are "born" when this celestial object collapses
(a)
The sun is an average sized star, so the sun will eventually become a....
supernova
black hole
neutron star
white dwarf
The way in which a star will "die" is determined by its (a)
Betelgeuse has an apparent magnitude of 0, Sirius A has an apparent magnitude of -2. Which star more luminous as viewed from Earth?
Sirius A
Betelgeuse
what does beetle juice taste like?
why so serious?
Betelgeuse is a massive red supergiant.. therefore it is
cooler than a blue star
hotter than an orange star
hotter than a white star
funny
The brightest stars in the universe
have the highest absolute magnitude
have the highest apparent magnitude
are blue
are white
The only layer of the sun we can normally see with our eyes...
Photosphere
Chromosphere
Core
Convection Zone
Which of the following celestial objects is the closest to Earth?
Object A: 250 AU
Object B: 5 LY
Object C: 500 LY
Object D: 1000 AU
Stars that are main sequence....
undergo nuclear fusion
are about to go supernova
were recently "born"
are towards the end of their life
True/False: The LOWER the absolute/apparent magnitude, the more luminous a star is.
True
False
What is the largest celestial body listed?
milky way
UY Scuti (the largest star we've observed)
Jupiter
a hypergiant asteroid
an elephant.
Describe the rotation of the sun
The sun rotates evenly across all latitudes
Since it is made of plasma, different parts of the sun rotate at different rates
Since it is made of plasma, the sun does not rotate
It takes less time for the sun to complete 1 rotation compared to the Earth
The outermost portion of the sun is known as the.....
Corona
Chromosphere
Convection Zone
Photosphere
Betelgeuse is a red supergiant, therefore, what is the next part of Betelgeuse's life? (hint: kaboom!)
(a)
What causes the Aurora (Northern lights)?
Radiation from the sun colliding with Earth's magnetic field
Earth's Magnetic Field coming in contact with Asteroids
Super cold particles in the northern skies crystalize and appear many different colors.
SANTA
The actual brightness of a star can be found by calculating its (a) (two words)
