Properties of Stars

Felix examined several photos of stars. To compare their temperatures, he looked at the colors of the stars. He organized the photos in order from coolest to hottest. Which of these answers shows the correct order? 

• red, yellow, white, blue
• blue, yellow, white, red
• yellow, white, blue, red
• white, blue, yellow, red

The teacher gave Carly a list of four stars of different colors. Carly used the graph shown above to help compare the stars’ luminosity. 
Which star is going to have the highest temperature? 

• Yellow
• White
• Red
• Blue

Based on the HR diagram above, how would we describe our sun? 

• Blue/ 30,000K
• Red/ 3,500K
• White/ 20,000K
• Yellow/ 6,000K

Tags

NGSS.HS-ESS1-1

What two characteristics are most important in classifying a star?

• Absolute Brightness and size

• Apparent magnitude and temperature

• Absolute magnitude and distance from the sun

• Temperature and rotation

Which answer choice below accurately compares two different stars?

• White dwarfs are hotter and brighter than red giants

• Blue supergiants are brighter and cooler than red giants.

• Red Supergiants are cooler and brighter than white dwarfs.

• Red Supergiants are cooler and brighter than white dwarfs.

Tags

NGSS.HS-ESS1-3

What number on the diagram represents the convection zone in a star?

• 9

• 4

• 3

• 2

The middle of the Sun is called the

• Corona
• Photosphere
• Core
• Convection Zone

Tags

NGSS.HS-ESS1-1

What is this

• Prominence

• Sunspot

• Core

• Solar Flare

Tags

NGSS.HS-ESS1-1

What happens during nuclear fusion

• Hydrogen reacts with Oxygen to create fire.
• Hydrogen atoms are forced together to create Helium
• Uranium and Plutonium split apart and release radiation.
• Helium atoms break down to make hydrogen

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

Blue stars are the _____________.

• hottest
• coolest
• smallest

Tags

NGSS.HS-ESS1-3