H-R Diagrams

The H-R diagram classifies stars based on what factors?

• Temperature and luminosity

• Number of planets

• What constellation they're in

• Temperature and fusion

Blue stars are the _____________.

• hottest
• coolest
• smallest

Tags

NGSS.HS-ESS1-3

Our sun is what kind of star?

• Blue giant

• Red giant

• Main sequence

• White dwarf

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Compared to a red giant star, a blue supergiant is...

• Hotter and brighter

• Hotter and not as bright

• Colder and brighter

• Colder and not as bright

Tags

NGSS.HS-ESS1-3

Compared to a white dwarf, a red supergiant is...

• Hotter and brighter

• Hotter and not as bright

• Colder and brighter

• Colder and not as bright

Our sun is yellow. A star colder than our sun would be...

• Red

• Yellow

• White

• Blue

Stars that are brighter are usually...

• Hotter

• Bigger

• More massive

• Smaller

Tags

NGSS.HS-ESS1-3

Which star is more massive, a blue giant or a red dwarf?

• Blue giant

• Red dwarf

Which star is more massive, a blue giant or our Sun?

• Blue giant

• Our Sun

Tags

NGSS.MS-PS2-4

Which of these stars is hottest?

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