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- 1. Multiple Choice
A star can form from a cloud of dust and gas called a..?
nebula
red giant
supernova
white dwarf
- 2. Multiple Choice
What do we call the stable period of a star's life cycle?
middle ages
steady state
stable phase
main sequence
- 3. Multiple Choice
What process occurs in stars?
Nuclear fusion
Nuclear fission
Nuclear fussion
Nuclear fision
- 4. Multiple Choice
How many planets are there in the solar system?
8
9
6
7
- 5. Multiple Choice
For an object in circular orbit around the Earth, its instantaneous velocity will be...
parallel to direction of acceleration
perpendicular to direction of acceleration
perpendicular to the direction of motion
parallel to the velocity
- 6. Multiple Choice
The closer you get to a star/planet, the ____ the gravitational force
Weaker
Stronger
- 7. Multiple Choice
What dictates when a main sequence star starts to become a red giant or red supergiant?
When it runs out of hydrogen
When it runs out of helium
When it runs out of uranium
When it runs out of oxygen
- 8. Multiple Choice
Elements heavier than ____ cannot be produced by a main sequence star
Iron
Tungsten
Carbon
Lead
- 9. Multiple ChoiceIf a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...Moving towards the EarthMoving away from the EarthThis is a trick question that cannot be answeredIt isn't a star, it is a very large blueberry.
- 10. Multiple ChoiceThe vast majority of galaxies in our universe are moving away from us. We know this because we observe __________ in the galaxies absorption spectra.RedshiftBlueshiftTurbulanceSuperposition
- 11. Multiple ChoiceWhen blueshift occurs, the perceived WAVELENGTH of the wave would...IncreaseDecreaseStay the sameMake frog sounds
- 12. Multiple ChoiceGalaxies that are redshifted are:actually blue.really far away.invisible.moving away from us.
- 13. Multiple Choice
A scale diagram of four galaxies is provided. Which galaxy has a diameter closest to 75,000 light years?Galaxy JK23Galaxy TO37Galaxy RB17Galaxy WD28 - 14. Multiple ChoiceWhich section of the spectrum is the ONLY one we can see?X-raysVisible LightGamma RaysUltraviolet Rays
- 15. Multiple ChoiceTrue or False: Every element has its own unique emission spectrum.TrueFalse
- 16. Multiple ChoiceAll of the evidence that scientists collect suggest that the Big Bang occurred approximately how long ago?4.6 billion years ago13.7 billion years ago14.5 billion years ago13.5 billion years ago
- 17. Multiple Choice
In the 1920s, Edwin Hubble made observations of many distant galaxies, and formulated Hubble’s Law - which states that galaxies that are further away...
are moving away faster, with a greater apparent red-shift in their spectra
are moving away slower, with a greater apparent red-shift in their spectra
are moving away faster, with a greater apparent blue-shift in their spectra
are moving away slower, with a greater apparent blue-shift in their spectra
- 18. Multiple ChoiceThe majority of matter in the universe is made of which two elements that formed shortly after the Big Bang?Oxygen and HeliumNitrogen and CarbonHydrogen and HeliumLithium and Oxygen
- 19. Multiple ChoiceIn our expanding universeGalaxies are moving away from each other due to gravity.More distant galaxies experience less redshift.The Milky Way is at the center of the expansion.Galaxies appear to move away due to the expansion of space itself.
- 20. Multiple ChoiceAccording to the Big Bang theory, immediately after the big bang, the universe began tocool downshrinkheat upCondense
- 21. Multiple Choice
Based on Doppler effect, which of the galaxies is moving away from Earth?
A
B
C
A and B
- 22. Multiple Choice
Based on the emission spectra you see, which of the galaxies is moving away from Earth the fastest?
A
B
C
A and B
- 23. Multiple Choice
Based on the emission spectra you see, which of the galaxies is farthest away from Earth?
A
B
C
A and B
- 24. Multiple Choice
How does Cosmic Microwave Background Radiation support the Big Bang Theory?
Microwaves are found everywhere in the universe.
Microwaves occurred at the time of the Big Bang
Microwaves are useful in our everyday lives
Microwaves heat up the core of a star
- 25. Multiple Choice
The Cosmic Background Radiation is:
the remaining energy from the big bang.
incredibly hot.
visible to the human eye.
only located in certain places in the universe.
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