2.7 HR

Open Ended

How can we classify these vehicles?

Open Ended

Most stars are know as?

Multiple Choice

The HR Diagram is a ______ showing the relationship between a stars luminosity and color.

• chart

• scale

• paper

• mathematical equation

Multiple Choice

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

• Stars Get Larger

• Stars get Colder

• Stars get hotter

Multiple Choice

Which of these stars is hottest?

• Red Star

• Yellow Star

• Orange Star

• Blue Star

Multiple Choice

Which star is the coldest?

• Yellow Star

• Red Star

• Orange Star

• Blue Star

Multiple Choice

Which category is our Sun located in?

• White Dwarfs

• Supergiants

• Main Sequence

• Giants

Multiple Choice

The category that contains the most stars is...

• Main Sequence

• Supergiants

• Giants

Multiple Choice

A collection of stars, dust, and gas bound together by gravity is...

• Universe

• Solar System

• Planet

• Galaxy

Multiple Choice

A large cloud of gas and dust in interstellar space; the predecessor to stars...

• Constellation

• Black hole

• Nebula

• Galaxy

Multiple Choice

What is the graph that shows the relations between a star's surface temperature and absolute magnitude?

• H-R Diagram

• Star Cluster Map

• Einstein's Diagram

• Newton's Chart of Stars

Multiple Choice

What is the relationship between luminosity and a star's radius?

• brighter stars have a bigger radius

• dimmer stars have a bigger radius

Multiple Select

What do you notice about color and temperature?

• blue stars are coolest

• red stars are hottest

• red stars are coolest

• blue stars are hottest