TEST UNIT 4 - "Light & the Sun"

1. The study of spectral lines is called astronomy.

• True

• False

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

2. Stars, nebulae, galaxies, comets etc. can be identified by using a spectroscope.

• True

• False

Tags

NGSS.HS-ESS1-2

3. An absorption spectrum appears as a continuous spectrum interrupted by a series of dark lines. (True or False?)

• True

• False

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Nothing can travel faster than the speed of light.

• True

• False

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-1

Radio, microwaves, ultraviolet, infrared, x-ray & gamma are all visible to the human eye.

• True

• False

6. If we say that a star is 200 light-years away - we mean that we are seeing that star as it was 200 years ago.

• True

• False

7. X-rays & gamma rays are the most energetic (shortest wavelengths) in the EM spectrum.

• True

• False

Tags

NGSS.HS-PS4-4

8. About 100 Earths could fit side-by-side across the Sun's equatorial surface.

• True

• False

Tags

NGSS.MS-ESS1-3

9. Sunspots, solar flares etc. usually peak on a 22-year cycle.

• True

• False

10. The Sun's corona consists of light & solar wind which extends out beyond the orbit of Pluto.

• True

• False