1 - Spectroscopy and Stars

When sunlight is split by a prism or diffraction grating it appears to emit a ___ spectra.

• absorption

• dark-line

• continuous

• bright-line

Tags

NGSS.HS-PS4-3

Upon closer examination, sunlight (and all stars) actually emit ___ spectra.

• bright-line (or emission)

• absorption (or dark-line)

• continuous

• multiple

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-1

The analysis of the way matter emits and absorbs radiation is called ___.

• astronomy

• chemistry

• spectroscopy

• atomic theory

Tags

NGSS.HS-PS4-4

Spectroscopy can be used to study

• the atmosphere of Mars.

• the age of stars.

• spectroscopes.

• the Moon.

Tags

NGSS.HS-PS4-3

Spectroscopy can also be used to study

• galaxies.

• the surface of Mercury.

• stellar composition.

• UFO's.

Tags

NGSS.HS-PS4-3

NGSS.HS-ESS1-3

When electrons of an element reach an "excited" state, ___ lines are produced.

• dark

• emission (bright)

• continuous

• invisible

Tags

NGSS.HS-PS4-3

NGSS.HS-PS1-2

A ___ is used in astronomy to break down light like a prism.

• telescope

• spectroscope

• stethoscope

• microscope

Tags

NGSS.HS-PS4-3

Each element on the periodic table can be identified by its

• classification as a solid, liquid or gas.

• location on the table.

• ability to react to form compounds.

• unique spectral signature.

Tags

NGSS.HS-PS1-1

Emission spectra emitted by an element (or compound) will produce ___ through a spectroscope.

• bright lines

• a continuous rainbow

• dark lines

• white light

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

What do spectroscopes do?

• Collect light to identify elements

• Refract light

• Absorb light

• Transmit light

Tags

NGSS.HS-PS4-3