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- 1. Multiple Choice
The difference between stars and our sun is
stars are a great distance away
stars Do not produce heat.
stars Are very small
stars are A different color
- 2. Multiple Choice
The material to form a star comes from
Black holes
Nubes
neutron clouds
nebula
- 3. Multiple Choice
A star is formed when:
nuclear fusion begins
a nebula becomes a protostar
a supernova occurs
All hydrogen is changed to helium
- 4. Multiple Choice
The last phase of our sun with no nuclear fusion:
White Dwarf
Supernova
Red Supergiant
Black Hole
- 5. Multiple Choice
A star that has used all its hydrogen, expands and now fuses helium to carbon and oxygen
Neutron Star
White Dwarf
Red Giant Star
Black Hole
- 6. Multiple Choice
What do main sequence stars use for nuclear fusion?
Oxygen
Hydrogen
Carbon
Iron
- 7. Multiple ChoiceOur sun is currently in what star stage?
Protostar
Nebula
Main Sequence
Red Giant
- 8. Multiple Choice
______ is a force that causes gas and dust particles to come together in a nebula.
nuclear fusion
gravity
hydrogen
friction
- 9. Multiple Choice
Stars die because
They don't have materials for nuclear fusion
Gravity pulls them apart
The stars collide.
- 10. Multiple Choice
At 15,000 degrees Celsius, hydrogen atoms unite to form helium atoms and energy is released in a process called
supernova
pulsar
nuclear fusion
- 11. Multiple Choice
Old stars can form new stars because
A supernove explosion creates nebula
A big star explodes into smaller stars
A black hole takes light from old stars and gives it to new stars
- 12. Multiple Choice
When object move close the force of gravity
Increases
Decreases
Does not change
- 13. Multiple Choice
Planets orbit the sun because
The Sun is a sphere
The gravitational force of the sun
The nebula moves the planets
- 14. Multiple Choice
Stars produce light and heat by the process of
Gravity
Orbiting
Nuclear Fusion
Combustion
- 15. Multiple Choice
Stars create new elements by
Fusing Atoms together
Gravitational attraction
Acceleration
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