Unit 8 Review

The hottest stars appear as what color? 

• red
• yellow
• blue
• white

A star is defined as a(n) _________. 

• bright, shining ball of gas in the sky
• large planet that is very hot
• ball of matter held together by gravity that gives off energy
• a ball of energy

The brightness of a star depends on its __________. 

• size, temperature, and distance from us
• color and mass
• distance from us
• composition 

What is the color of the coolest stars?

• blue
• yellow
• red
• orange

What star are we revolving around now?

• Proxima Centauri
• Jupiter
• The sun
• Pluto

Put the stars in order from coolest to hottest.

• Blue, White, Yellow, Orange, Red
• Red, Orange, Yellow, White, Blue
• Red, Orange, Yellow, Blue, White
• Red, Yellow, Orange, White, Blue

Where on the H-R diagram would you find the dimmest stars?

• At the top
• Giants
• At the bottom
• Main Sequence

Where on the H-R diagram would you find the coolest star?

• At the top
• At the bottom
• On the Left
• On the Right

Where on the H-R diagram would you find the brightest stars?

• At the top
• At the bottom
• On the left
• White Dwarfs

Which H-R diagram category would have the the largest stars?

• Giants
• White Dwarfs
• Main Sequence
• Super Giants