Unit 8: Universe Review

Low mass stars end their life as..

• White Dwarf/ Black Dwarf Stars

• Black Holes

• Neutron Stars

Large mass stars end their life as..

• White Dwarf/ Black Dwarf Stars

• Black Holes

• Neutron Stars

Super Large mass stars end their life as..

• White Dwarf/ Black Dwarf Stars

• Black Holes

• Neutron Stars

Cosmic Microwave Background Radiation proves...

• The Big Bang was very hot

• nothing about the big bang theory

• There is leftover radiation from the big bang that was spread all over the universe as it expands

• There is leftover Hydrogen from the big bang that was sucked into a black hole after the big bang

Tags

NGSS.HS-ESS1-2

What does much of the evidence for the big bang theory depend on?

• Accepting ideas that you cannot uderstand

• Correctly interpreting all the new data gathered with ever-improving technology

• Reading as much as you can aboout space and beliving what you read

• Coming up with creative ideas and seeing if scientists will think that they are true

Tags

NGSS.HS-ESS1-2

What tool/technique do we use to determine "stars and galaxies are generally moving away from each other

• Doppler Effect: Red-shifted starlight

• Doppler Effect: Blue-shifted starlight

• Ashes: left-over Hydrogen and Helium from the big bang

• Cosmic Microwave Background Radiation

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

Nuclear Fusion describes

• Large nuclei splitting to create smaller nuclei

• Smaller nuclei combining ro create larger nuclei

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

Nuclear Fission describes

• Large nuclei splitting to create smaller nuclei

• Smaller nuclei combining ro create larger nuclei

Tags

NGSS.HS-PS1-8

Which of the following describes Nuclear Half-Life?

• The amount of the time it takes for 100% of the atoms in a sample to become stable

• The amount of time it takes for 50% of the atoms in a sample to become radioactive

• The amount of time it takes for 50% of the atoms in a sample to become stable (non-radioactive)

Tags

NGSS.HS-PS1-8

How many years have past after two half-lives of co-60?

• 5.27 years

• 10.54 years

• 27.77 years

• 2 years

Tags

NGSS.HS-PS1-8