Earth Systems Unit 5 Lesson 1 Quiz

What happens to the spectrum of a star that is moving away from Earth? Read each question. Circle the letter of the correct answer.

• unchanged

• loses its color

• shifts toward red

• shifts toward blue

Tags

NGSS.HS-PS4-1

What happens to the spectral lines of a star that is moving toward Earth? Read each question. Circle the letter of the correct answer.

• The waves spread out, and the frequency of each line increases.

• The waves spread out, and the frequency of each line decreases.

• The waves compress, and the frequency of each line increases.

• The waves compress, and the frequency of each line decreases.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Scientists determine the composition and temperature of stars ______. Read each question. Circle the letter of the correct answer.

• through magnetic testing

• by analyzing the vibrations that stars emit

• through samples of matter on the surface of stars

• by analyzing the spectra of the light that stars emit

Tags

NGSS.HS-ESS1-2

What problem is solved by sending telescopes into space? Read each question. Circle the letter of the correct answer.

• interference of dry air in detecting electromagnetic radiation

• interference of gamma rays in detecting electromagnetic radiation

• inability of Earth telescopes to detect invisible electromagnetic radiation

• interference of Earth’s atmosphere in detecting electromagnetic radiation

How will the spectra lines recorded on Earth be shifted for a light-emitting object that is moving neither toward nor away from Earth? Read each question. Circle the letter of the correct answer.

• They will have redshift.

• They will have blueshift.

• They will have greenshift.

• They will not be shifted at all.

What has happened to light that has been blueshifted? Read each question. Circle the letter of the correct answer.

• Its amplitude has been increased.

• Its amplitude has been decreased.

• Its wavelength has been increased.

• Its wavelength has been shortened.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

If a dense, non-light producing, interstellar gas were to move between a star and Earth, what would happen to the spectra of the light from the star as measured on Earth? Read each question. Circle the letter of the correct answer.

• The spectra would show greater redshift.

• The spectra would become a continuous spectra.

• The number of absorption lines would likely increase.

• The number of absorption lines would likely decrease.

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3