Version One- Properties of Stars

One physical property of a star is apparent magnitude. Which of the following is used in determining the apparent magnitude of a star?

• A. the constellation the star is in

• B. the distance the star is from Earth

• C. the number of times the star rotates

• D. the number of prominences the star makes

The chart below displays the names of different stars and their colors. Which of the groups below best orders the stars from hottest to coolest?

• A. Antares, Spica, Sun, Aldebaran

• B. Sun, Spica, Antares, Aldebaran

• C. Spica, Sun, Aldebaran, Antares

• D. Antares, Aldebaran, Sun, Spica

What color of star is the coolest?

• Red
• Yellow
• Blue
• White

Tags

NGSS.MS-ESS1-3

Apparent (magnitude) brightness is affected by a star's distance from Earth.

• False
• True

Which property of a star is the brightness of a star at a standard distance?

• Apparent (magnitude) brightness
• Absolute (magnitude) brightness
• Luminosity
• Size of the star

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

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Star Z and W both have the same luminosity of 100 lux, if Star Z is 10 ly closer to Earth which star has the highest apparent magnitude?

• Star W
• Star Z
• Both Star Z and W

Stars give off heat and light in a process called ___________.

• nuclear fusion

• supernova

• luminosity

• spectroscopy

Tags

NGSS.HS-ESS1-1

The brightness of a star as seen from Earth is its 

• apparent brightness.
• absolute brightness.
• parallax.
• reflective brightness.

Tags

NGSS.HS-PS4-3

A very bright star can seem to be dimmer because it is 

• further away
• cooler in temperature
• very close
• batteries are dying