Stars

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

• nebula

• galaxy

• asteroid

• black hole

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

• nuclear fusion

• supernova

• luminosity

• spectroscopy

Tags

NGSS.HS-ESS1-1

Consider the color of the sun. Based on this color, what is the sun's approximate surface temperature?

• 10,000-30,000

• 6000-7500

• 30000-60000

• <3500

Which statement best describes stars?

• large planets that are composed mostly of gases

• celestial bodies made 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

On an HR diagram, stars at the same temperature are found...

• aligned horizontally (next to each other)

• aligned vertically (one above the other)

• along the main sequence

• spread through the diagram

Explosion of a high-mass star.

• White Dwarf

• Planetary Nebula

• Supernova

• Neutron Star

A light year is a measurement of:

• Time

• Distance

• Gravity

• None of the Above

Which stage of the star's life cycle does gravity pull gas and dust together causing pressure and temperature to increase giving way to the formation a protostars?

• Birth - protostar(s)

• Main Sequence - star

• Old Age - red giant

• Death - white dwarf

Which nuclear process takes place in the core of stars, where hydrogen is joined to produce helium?

• fission

• fusion

Tags

NGSS.HS-ESS1-1

Which stage of the star life cycle does fusion occur and the star is most stable?

• Birth - protostar(s)

• Main Sequence - star

• Old Age - red giant

• Death - white dwarf

Tags

NGSS.HS-ESS1-1