Raid Boss: The Big Bang

Edwin Hubble in 1929 on Mt. Wilson in Los Angeles, California, discovered that all galaxies are moving _________.

• away

• closer

• in circles

• randomly

Tags

NGSS.HS-ESS1-2

What did Hubble find when he graphed galaxy distance and velocity?

• Galaxies closer to us were moving away quickly

• Galaxies closer to us were moving away slowly and galaxies far away were moving away quickly

• All galaxies were moving at the same speed

• Galaxies far away were moving away slowly

Tags

NGSS.HS-ESS1-2

What is the name of the law that describes the relationship between a galaxy's distance and its velocity?

• Hubble's Law

• Ohm's Law

• Boyle's Law

• Kepler's Law

Hubble's Law allows you to predict a galaxy’s velocity based on its distance using math.

• True

• False

Tags

NGSS.HS-ESS1-2

We know galaxies are moving 'away' because:

• their light is redshifted

• they appear larger in the sky

• they are getting brighter

• their shapes are changing

Tags

NGSS.HS-ESS1-2

What is the process called that allows you to see how light breaks up into its components?

• Reflection

• Refraction

• Spectroscopy

• Polarization

Breaking up light with a prism or slits is called ________.

• Diffraction

• Reflection

• Refraction

• Polarization

Tags

NGSS.MS-PS4-2

What does breaking up light show you?

• Its spectrum

• Its mass

• Its temperature

• Its speed

Tags

NGSS.HS-ESS1-2

What happens to white light when it passes through a diffraction grating?

• It splits into a spectrum of colors.

• It disappears completely.

• It turns into a single color.

• It becomes brighter.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

How do we now know galaxies are moving away?

• Their light is stretching out

• They are getting brighter

• They are shrinking in size

• They are spinning faster

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3