Characteristics of stars

Characteristics used to classify stars include

• distance, size, and color.
• size, distance, and brightness.
• color, brightness, and distance.
• size, brightness, and temperature.

What color are the coolest stars?

• blue-white
• yellow
• red
• orange

What color are the hottest stars?

• blue-white

• yellow

• blue

• orange

Tags

NGSS.HS-PS4-3

The Hertzsprung-Russell diagram shows that main-sequence stars

• are mostly hot and dim.
• are mostly cool and bright.
• increase in brightness as they increase in temperature.
• decrease in brightness as they increase in temperature.

In the process of nuclear fusion, hydrogen atoms combine to form ___________ atoms.

• helium

• carbon

• nitrogen

• oxygen

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

A star is born in a cloud of gas and dust called a __________.

• nebula

• galaxy

• asteroid

• black hole

Our Sun is part of which galaxy?

• Milky Way

• Andromeda

• Sombrero

• Whirlpool

Stars that are much smaller than the Sun are called _________________.

• white dwarfs

• red supergiants

• main sequence

• nebulae

Tags

NGSS.HS-ESS1-3

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

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

What is the north star called?

• Dubhe

• Ursa

• Polaris

• Sun

Tags

NGSS.5-ESS1-1