Stars and Review

Match the color of star to the temperature

• Extremely Hot

• Orange or Yellow

• Cool

• Blue or Blue-White

• Warm

• Red

Reorder the following stages for life cycle of a star

• White Dwarf

• Nebula

• Red Giant

• Fades or Explodes

• Main Sequence

Black holes affect objects around it using...

• heat

• gravity

• magnetism

• light

What are the 4 categories of the stars on the HR diagram? ​ (a)   ​ ​ (b)   ​ (c)   ​ (d)  

• Supergiants
• Giants
• Main Sequence
• White Dwarfs
• Nebulas
• Super Novas
• Black Holes

What variable is on the x-axis of the HR diagram?

• Temperature

• Heat

• Luminosity

• Color

What variable is on the y-axis of the HR Diagram?

• Temperature

• Heat

• Luminosity

• Color

​ (a)   color(s) make up white light

• all
• no
• red and blue
• red and green
• blue and green

What are the only colors humans can see?

• Black and White

• Red, Green, and Blue

• Yellow, Magenta, Cyan

• All Color

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed
• stopped
• reflected
• refracted

The speed of light in vacuum is