H-R Diagram

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

• Temperature and luminosity

• Number of planets

• What constellation they're in

• Temperature and fusion

Our sun is what kind of star?

• Blue giant

• Red giant

• Main sequence

• White dwarf

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

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

• Stars Get Larger

• Stars get Colder

• Stars get hotter

On the H-R Diagram, our Sun falls within the ​ (a)   classification group.

• Red Giants

• White Dwarfs

• Main Sequence

• Blue Giants

Tags

NGSS.HS-ESS1-1

Label the characteristics of stars in each area of the Hertzsprung-Russell diagram. Move ONE correct answer to each corresponding box.

a

b

c

d

hot, bright

cool, bright

cool, dim

hot, dim

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Place the labels in the correct spots on the H-R Diagram.

d

c

b

a

cool and bright

cool and dim

hot and dim

hot and bright

Tags

NGSS.HS-ESS1-3

Label the diagram

f

a

b

c

d

e

g

h

i

main sequence

giants

white dwarfs

dimmer

blue giants

brighter

supergiants

hotter

cooler

Tags

NGSS.HS-ESS1-3

Stars that are dim and cooler in temperature are found where?

At which location are the stars hot and bright?

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3