Redshift and Blueshift Quiz

What do redshift and blueshift describe?

• The change in size of a galaxy

• The change in brightness of a star

• The change in temperature of a star

• The change in frequency of a light wave due to motion

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What happens to light when an object is moving away from us?

• It remains unchanged

• It becomes invisible

• It is redshifted

• It is blueshifted

Tags

NGSS.HS-ESS1-2

Who first described the redshift phenomenon?

• Edwin Hubble

• Isaac Newton

• Albert Einstein

• Galileo Galilei

Tags

NGSS.HS-ESS1-2

What is the Doppler effect?

• A change in wave direction due to gravity

• A change in wave speed due to temperature

• A change in wave amplitude due to distance

• A change in wave frequency due to motion

Tags

NGSS.HS-PS4-1

What is the shortest wavelength in the visible spectrum?

• Violet

• Red

• Green

• Blue

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What is the cosmological redshift?

• Redshift due to temperature changes

• Redshift due to gravitational forces

• Redshift due to the motion of galaxies

• Redshift due to the expansion of space

What is the term for the relative motion of galaxies within a group?

• Cosmic flow

• Peculiar velocity

• Universal drift

• Galactic spin

What is gravitational redshift?

• Redshift due to the size of a black hole

• Redshift due to the speed of light

• Redshift due to the mass of a galaxy

• Redshift due to the temperature of stars

Tags

NGSS.HS-PS2-4

What is the farthest known galaxy as of 2016?

• Andromeda

• GN-z11

• EGSY8p7

• Milky Way

What is the significance of redshift in astronomy?

• It calculates the mass of galaxies

• It predicts the future position of planets

• It determines the temperature of stars

• It helps measure the distance of faraway objects

Tags

NGSS.HS-ESS1-2