What is included in the universe as we know it?

• Only stars and planets

• Galaxies, stars, planets, moons, comets, and energy

• Only galaxies and stars

• Only planets and moons

Tags

NGSS.MS-ESS1-2

Approximately how old is the universe according to scientists?

• 10 to 12 billion years

• 15 to 20 billion years

• 5 to 7 billion years

• 13 to 15 billion years

Tags

NGSS.HS-ESS1-2

What is the leading theory about the formation of the universe?

• Steady State Theory

• String Theory

• Oscillating Universe Theory

• Big Bang Theory

Tags

NGSS.HS-ESS1-2

What is a nebula?

• A type of planet

• A type of galaxy

• A type of comet

• A baby factory for stars

Which part of the electromagnetic spectrum is most important for human vision?

• Infrared

• Visible light

• X-rays

• Gamma rays

Tags

NGSS.HS-PS4-3

What is the relationship between wavelength and the number of waves hitting per unit time?

• Wavelength does not affect the number of waves per unit time

• Longer wavelength means fewer waves per unit time

• Shorter wavelength means fewer waves per unit time

• Longer wavelength means more waves per unit time

Tags

NGSS.HS-PS4-1

Which type of wavelength is generally less harmful to humans?

• Long wavelength

• Medium wavelength

• All wavelengths are equally harmful

• Short wavelength

Tags

NGSS.HS-PS4-4

What does a red shift in the spectrum of a distant galaxy indicate?

• The galaxy is moving towards us

• The galaxy is stationary

• The galaxy is changing color

• The galaxy is moving away from us

Tags

NGSS.HS-ESS1-2

What is the Doppler effect in the context of astronomy?

• A change in the temperature of stars

• A change in the frequency of light due to the motion of the source

• A change in the color of stars

• A change in the size of galaxies

Tags

NGSS.HS-PS4-1

What does a blue shift in the spectrum of a galaxy indicate?

• The galaxy is moving away from us

• The galaxy is stationary

• The galaxy is changing color

• The galaxy is moving towards us

Tags

NGSS.HS-ESS1-2