HR Diagram

What characteristics are used to classify stars?

• Flammability, weight, and reactivity

• Temperature/color and brightness

• Conductivity, luster, and density

• Malleability, distance, and viscoscity

What is found on the x axis of an H-R diagram?

• Luminosity
  (or brightness)
• Temperature
• Star Size
• Distance

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

• Stars Get Larger
• Stars get Colder
• Stars get hotter

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Blue stars are the _____________.

• hottest
• coolest
• smallest

Red stars are the _____________.

• hottest
• coolest
• biggest
• brightest

Which star is the coldest?

• Yellow Star
• Red Star
• Orange Star
• Blue Star

Which of these stars is hottest?

• Red Star
• Yellow Star
• Orange Star
• Blue Star

Compared to the rest of the stars, our sun is considered...

• Extremely Large and Cold

• Small with a medium temperature

• Medium size with medium temperature

Which star has the lowest temperature?

• A
• B
• C
• D

Which group or  category does our Sun belong to?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3