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WorksheetsUnit 1 Life Cycle of a Star
Total questions: 22
Worksheet time: 14mins
What is the first stage of life for a star?
Red Giant
White Dwarf
Main Sequence
Blue Giant
What is the stage of a stars life is the longest?
Red Giant
White Dwarf
Main Sequence
Blue Giant
If a star has more mass, it has more?
Gravity
Atomic Contact
Fusion
All of the above
A star has a solar mass of 0.5 (it is half the mass of the sun). What is this stars final stage of life?
White D
Neutron Star
Black Hole
Main Sequence
What is the name of this type of diagram?
Star chart
X and Y axis
HR Diagram
Spotty pictures with pretty colors
Where would a star that is relatively cool be on this chart (ex. 3000 K)
Left side
Right side
Center
A star can't be that cold
What are force acting on a star is directed inwards towards the center of the star?
Gravity
Fusion
Both
Neither
What are force acting on a star is directed outwards from the center towards the edge of the star?
Gravity
Fusion
Both
Neither
What is a star made of?
Hydrogen and helium?
Hydrogen and Carbon
Helium and Oxygen
Hydrogen and Oxygen
What is the name for the process that combines atoms to new atoms and releases energy as a byproduct? (I.e. Hydrogen + hydrogen => Helium + Energy)
Nuclear Fission
Nuclear Fusion
Nuclear Fixture
Nuclear Fussing
What is the final element massive stars can make before they die?
Neon
Magnesium
Iron
Helium
Consider the reaction: hydrogen-1 + hydrogen-2 = helium-3. What is conserved from the beginning of the reaction to the end of this reaction?
The type of atoms
The atomic mass (protons + neutrons)
The atomic number
None of the above
What is the atomic mass of this element?
Rn
86
222.018
Purple
What is the atomic number of this element?
Rn
86
222.018
Purple
How many protons does this element have?
Rn
86
222.018
Purple
True or False: This element is probably found at the top of the periodic table
True
False
What star has the most fuel at the beginning of a its lifespan?
1 Solar Mass
5 Solar Mass
15 Solar Mass
30 Solar Mass
What star has the shortest lifespan?
1 Solar Mass
5 Solar Mass
15 Solar Mass
30 Solar Mass
What star produces the heaviest elements due to fusion?
1 Solar Mass
5 Solar Mass
15 Solar Mass
30 Solar Mass
What star produces the most energy?
1 Solar Mass
5 Solar Mass
15 Solar Mass
30 Solar Mass
Is it better to look for life on a planet that is near a star with a solar mass of 2 or a solar mass of 20? Why?
In 1054, Chinese astronomers saw the Crab Nebula. What caused the Crab Nebula?
A black hole
The creation of a new star
A white dwarf
A supernova
