Properties of Stars

Which statement best describes stars?

• large planets that are composed mostly of gases

• celestial bodies made up of gas that give off light

• faint dots of light that can be seen from Earth’s surface

• objects that form in the outer parts of the solar system

Linda examined the sizes of several different stars. She listed them in order from smallest to largest. Which of the following stars would Linda list first?

• Polaris, 30 solar radii

• Aldebaran, 44.2 solar radii

• Sirius B, 0.008 solar radius

• Barnard’s Star, 0.15 solar radius

Tags

NGSS.MS-ESS1-3

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

• the constellation the star is in

• the distance the star is from Earth

• the number of times the star rotates

• 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

One physical property of a star is absolute brightness. Which of the following is used in determining the absolute brightness of a star?

• how bright the star actually is

• how bright the star appears to be from the Earth

• the number of prominences the star makes

• the direction the star rotates

Why do other stars appear so much smaller than the sun?

• They are much smaller
• They are so far away
• They are not as bright
• They are dwarf stars

Tags

NGSS.5-ESS1-1

What is the name of the gas/dust clouds that form stars?

• Nebulas
• Protostars 
• Supernova
• Neutron Star

Tags

NGSS.HS-ESS1-3

Stars that are very bright, large & burn at the highest temperature

• Blue Giant stars

• Red Giant

• White dwarves

• Proton stars

Tags

NGSS.HS-ESS1-3

Which star is the coldest?

• Yellow Star

• Red Star

• Orange Star

• Blue Star

Which star has the lowest temperature?

• A
• B
• C
• D