Unit 5: The Universe

What is a cloud of dust and gas?

• Protostar

• Galaxy

• Neutron Star

• Nebula

What is a cloud of dust and gas in space that develops into a star?

• Nebula

• Protostar

• Supernova

• Planetary Nebula

What is a massive sphere of gas (mostly hydrogen and helium) held together by gravity, undergoing constant thermonuclear fusion, and producing both heat and light?

• Star

• Planet

• Moon

• Supernova

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is an enormous explosion that destroys a star?

• Nebula

• Gravity

• Supernova

• Black Hole

What is a star that forms as the core of a giant star no longer

supports fusion and the star’s outer layers escape into space,

leaving a hot and dense core?

• Giant Star

• Main Sequence

• Supergiant Star

• White Dwarf

What is a star that fuses hydrogen into helium in its core?

• Giant Star

• Main Sequence

• Supergiant Star

• White Dwarf

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is a nebula that forms after helium in a star’s core is gone and the star casts off its gases?

• Planetary Nebula

• Main Sequence

• Solar Nebula

• Black Hole

What is a star with a much larger radius and luminosity than a main sequence star of the same surface temperature?

• Supergiant Star

• White Dwarf

• Giant Star

• Red Giant

What is an area in space that is so dense that nothing, including light, can escape its gravitational pull?

• Galaxy

• Black Hole

• Lightyear

• Galaxy

Tags

NGSS.HS-PS2-1

What is a graph that plots luminosity v. temperature of stars?

• Hertzsprung-Russell Diagram

• Nelson Chart

• Lightyear

• Black Hole