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WorksheetsCosmology
Total questions: 12
Worksheet time: 6mins
If the Sun is the size of a grapefruit in Washington, D.C., the nearest star is
The size of a grapefruit in Chicago
The size of a grapefruit in California
The size of a cherry in Chicago
The size of a cherry in California
How many Earths can fit inside the Sun?
More than 1,000
More than 100,000
More than 1,000,000
More than 1,000,000
When stars are just forming, they are known as
Red giants
Main sequence stars
White dwarfs
Protostars
Once a forming star gets hot enough, what fuses in its core?
Hydrogen fuses into Helium
Helium fuses into Hydrogen
Hydrogen fuses into Carbon
Carbon fuses into Helium
Our Sun is at what point in its life?
Protostar
Main Sequence Star
Planetary Nebula
White Dwarf
When massive stars die, they become
Protostars
Main sequence stars
Supernovae
White dwarfs
VERY massive planets leave behind what when they die?
Planetary nebulae
White dwarfs
Black holes
Main sequence stars
How many stars are in the Milky Way Galaxy?
Over 200
Over 200,000
Over 200,000,000
Over 200,000,000
What type of galaxy is the Milky Way?
A spiral galaxy
A barred spiral galaxy
An elliptical galaxy
An irregular galaxy
What is NOT evidence of the Big Bang Theory?
All galaxies are moving away from us
The Cosmic Microwave Background Radiation
Dark Energy
What is the mass that we think is there but cannot directly detect?
Dark Energy
Dark Matter
Dark Clothing
Dark Stars
What kind of Universe do astronomers think we have?
An Open Universe
A Closed Universe
A Flat Universe
A Gravitational Universe
