Ess 1.1

A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago.

• Big Bang Theory

• Singularity Theory

• Galaxy Theory

Tags

NGSS.HS-ESS1-2

The CMB (Cosmic Background Radiation) is:

• the remaining energy from the big bang.

• incredibly cool.

• a cloud of light

• only located in certain places in the universe.

Tags

NGSS.HS-ESS1-2

Galaxies that are REDSHIFTED are:

• actually BLUE

• really NEAR earth

• invisible or not visible

• moving AWAY from us.

Tags

NGSS.HS-ESS1-2

According to the spectral lines shown, a star that is moving away from Earth should have a (hint: look at the direction the black spectral lines are shifted)

• Unshifted spectrum

• Redshifted Spectrum

• Blueshifted Spectrum

Tags

NGSS.HS-ESS1-2

List the steps of the scientific method

d

e

f

c

b

a

Form a hypothesis

Draw conclusions

Analyze results

Communicate results

Conduct experiment

Ask a question

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS4-1

A large grouping of stars, planets, gas, and dust in space held together by gravity.

• Universe

• Galaxy

• Space

Tags

NGSS.MS-ESS1-2

The change in wavelength that allows us to determine if an object if moving toward us or away from us

• Whiteshift and Blueshift

• Redshift and Greenshift

• Redshift and Blueshift

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

What do we observe when stars/galaxies are moving away from us?

• Cosmic Background Radiation

• Blueshift

• Nothing

• Redshift

Tags

NGSS.HS-ESS1-2

Ever since the universe began, the universe has been

• expanding

• contracting

• stays the same size

Tags

NGSS.HS-ESS1-2