HR Diagram Review

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

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

Which star is the coldest?

• Yellow Star
• Red 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

At 10,000 degrees Celsius, hydrogen begins to change into helium and energy is released in a process called

• supernova
• pulsar
• nuclear fusion
• nuclear fission

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

A small, hot star near the end of its life is a star called a

• white dwarf
• red dwarf
• supergiant
• protostar

What characteristics are used to classify stars?

• Flammability, weight, and reactivity

• Temperature/color and brightness

• Conductivity, luster, and density

• Malleability, distance, and viscoscity

What determines the color of a star? 

• It's size
• It's temperature
• It's composition
• They are all the same color 

As you move from the bottom to the top of the H R diagram the __________ changes.

• Temperature
• Luminosity or Brightness

What are the the 3 types of galaxies?

• Spiral, Regular, and Elliptical 
• Spiral, Irregular, and Elliptical 
•  Milky Way, Elliptical, and Spiral 
• Milky Way, Elliptical, and Irregular 

Tags

NGSS.MS-ESS1-2

Our solar system is located inside a galaxy called the _____________.

• Local Group
• Milky Way
• Andromeda
• Constellation

Tags

NGSS.MS-ESS1-2