Font size
WorksheetsAST 101 - Unit 8 Review
Total questions: 34
Worksheet time: 18mins
How does the sun produce energy?
By burning sulfur
By making carbon from water and oxygen
By fusing hydrogen into helium
By the fission of uranium atoms
What is the role of the magnetosphere?
It blocks iron pellets that fly off the sun as things explode
It cools the temperature of the sun's rays so they do not burn us
It makes iron magnetic here on earth
It deflects the solar wind
How much of the sun's radiation actually makes it to the earth's surface?
All
Most
A small amount
none
Which of the following describes the sun's place in its life cycle?
It is a nebula
It is a white dwarf
It is a red giant
It is a yellow main sequence star
What best describes sun spots?
cooler places on the sun's surface
holes left after solar explosions
cave-like structures that lead to the sun's core
different colored elements than the rest of the surface
What phenomena is pictured?
a sunspot
a maunder minimum
a solar flare
a black hole
Which radiations are produced by the sun? (check all that apply)
ultraviolet (UV)
infrared (IR)
gamma rays
radio waves
Sunspots undergo a cycle typically lasting how many years?
2
7
11
100
How old is the sun?
1 million years old
4.5 million years old
4.5 billion years old
we do not know
Nuclear fusion produces the sun's energy. It fuses hydrogen into ___ atoms.
carbon
nitrogen
lithium
helium
Chromosphere
the middle layer of the sun's atmosphere
what we call the surface of the sun
a type of element that is created in the sun's core
Star
A giant ball of hot gas, mainly composed of hydrogen and helium.
A cold and dense rock in space
A cool dark spot on the sun
