Unit 2 Test

The color of a star tells us its

• magnitude
• temperature
• size
• age

The life cycles of stars are determined by their:

• mass (size)
• color
• distance from Earth
• luminosity

Tags

NGSS.HS-ESS1-3

Our sun is currently in what star stage?

• Protostar
• Nebula
• Main Sequence
• Red Giant

Tags

NGSS.HS-ESS1-1

After the main sequence, a high mass star becomes a

• black dwarf

• protostar

• red giant

• supergiant

Tags

NGSS.HS-ESS1-3

What is the source of energy for the Sun?

• nuclear fusion

• burning coal

• burning of solar gases

• splitting of atoms

Tags

NGSS.HS-ESS1-1

Which of the following list the correct order of the life cycle of massive stars?

• Nebula --> protostar --> main sequence --> red supergiant --> supernova --> blackhole
• Nebula --> protostar --> main sequence --> red giant --> planetary nebula --> white dwarf --> black dwarf
• Nebula --> protostar --> main sequence --> supernova --> red giant --> blackhole
• Nebula --> protostar --> blackhole --> red supergiant --> supernova --> main sequence

Tags

NGSS.HS-ESS1-3

______ is a force that causes dust particles to stick together in a nebula.

• nuclear fusion
• gravity
• hydrogen
• iron

Tags

NGSS.HS-PS2-4

What color of star is the hottest?

• Blue
• Red
• Yellow
• Orange

Tags

NGSS.MS-ESS1-3

What can you tell about this object's motion?

• Moving to the North (up).
• Moving to the South (down). 
• Moving to the West (left). 
• Moving to the East (right). 

In this clip, the sound of the jet illustrates the doppler effect AS OBSERVED BY

• The man on the ground

• The pilot in the jet

• Both the man on the ground and the pilot in the jet

Tags

NGSS.HS-PS4-1