Universe Origins and Waves

What does the Big Bang theory suggest?

• The universe was just there
• The Milky Way is the only solar system
• The universe is continually expanding
• The universe started as a point and is moving towards each other

Tags

NGSS.HS-ESS1-2

What best describes the doppler effect?

• An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
• When sound changes pitch
• When light changes color
• An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.

Tags

NGSS.HS-PS4-1

The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.

• Redshift
• Blueshift
• Turbulance
• Superposition

Tags

NGSS.HS-ESS1-2

If 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 Earth
• Moving away from the Earth
• This is a trick question that cannot be answered
• It isn't a star, it is a very large blueberry.

Tags

NGSS.HS-PS4-1

An object that is moving VERY fast away from Earth would have ________ than an object that is moving very slow away from Earth.

• More Redshift
• More Blueshift
• Less Redshift
• Less Blueshift

Tags

NGSS.HS-ESS1-2

What happens if you reverse the galaxy motion and go back in time?

• Everything must have been condensed into one extremely dense point
• Everything would still be where it is today
• Some things would remain, some would have moved back
• Nobody has a clue

Tags

NGSS.HS-ESS1-2

Space and all the matter & energy in it

• Space

• Universe

• Earth

• Milky Way

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-2

When we see the Andromeda galaxy, we are seeing it as it was 2.3 million years ago. Why?

• it takes light that length of time to travel

• light travels really slow in outer space

• light travels faster than sound

• it is an ancient galaxy

Which does the existance of cosmic background radiation support?

• the Big Bang Theory

• the inflationary model

• critical density

• Hubble constant

Tags

NGSS.HS-ESS1-2

According to latest theories, the Big Bang happened

• 3 million years ago

• about 13.8 billion years ago

• 3 billion years ago

• 4.5 billion years ago

Tags

NGSS.HS-ESS1-2