Star Classification

What color are the hottest stars?

• red
• yellow
• orange
• blue

What is the diagram called that shows the relationship between star size and temperatures?

• bar graph

• HR diagram

• star chart

• Star diagram

Tags

NGSS.HS-ESS1-3

Which statement describes the general relationship between the temperature and the luminosity of main sequence stars?

• As temperature decreases, luminosity increases
• As temperature decreases, luminosity remains the same.
• As temperature increases, luminosity increases.
• As temperature increases, luminosity remains the same.

The brightness of a star depends on its:

• distance and temperature

• color and temperature

• distance and color

• size and temperature

The best description of a red giant star would be -

• hot and bright

• hot and dim

• average brightness and temp

• cool and bright

Any element larger than Iron on the periodic table is created by a/an

• Supernova

• Super Giant Star

• Main Sequence star

• Alchemists

Tags

NGSS.HS-ESS1-3

In the diagram given, what happens as we move to the left?

• Stars Get Larger
• Stars get Colder
• Stars get Hotter
• Stars get Brighter

Look at the H-R diagram. Which star is

sort of cool, dim (not too much light), and red?

• Betelguse

• Sirius B

• Procyon B

• Barnard's star

Tags

NGSS.HS-ESS1-3

The Sun's power will be switched off once the core is nearly pure ___

• helium
• lithium
• carbon
• silicon

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

The Sun, when its core has contracted to about the size of Earth, will be classified as ___

• a white dwarf
• a blue dwarf
• a white subgiant
• a blue subgiant

Tags

NGSS.HS-ESS1-1