How many stars does our Solar System have?

• 1

• 2

• thousands

• trillions

Tags

NGSS.MS-ESS1-3

Which of the following terms directly relate to the actual brightness of a star?

• size and apparent brightness

• absolute brightness and size

• apparent magnitude and size

• apparent magnitude and absolute brightness

Which star property determines a star's color?

• Size

• Distance

• Brightness

• Temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Antares is a star with a very high ABSOLUTE magnitude. What causes it to have such a low APPARENT magnitude from Earth?

• It's very far from Earth

• It's very close to Earth

• The atmosphere blocks its light

Which statement about the stars in the HR diagram is true?

• White Dwarfs are the coolest stars

• Red stars can be both hot and cool

• Blue stars can be big, but they are very cool

• Red giants are large, bright, and cool

Tags

NGSS.HS-ESS1-3

The gasses in stars are:

• Hydrogen & Helium

• Oxygen & Nitrogen

• Atmosphere

What color is the hottest star?

• Red

• Yellow

• Blue

• White

What color is the coolest star?

• Red

• Yellow

• Blue

• White

Which is the correct order of stars from HOTTEST to COOLEST?

• blue, white, yellow, orange, red

• blue, yellow, white, orange, red

• red, white, yellow, orange, blue

• red, orange, yellow, white, blue

The H-R diagram is a graph that shows the relationship between ______________ for stars. 

• temperature and color
• temperature and brightness
• brightness and color
• distance and brightness