Star Test Corrections

Which component of the universe contains all the other components listed below and would have the greatest mass?

• Solar System

• Nebula

• Galaxy

• Planetary system

Our Sun is a medium mass star that is approximately one-third of the way through its life cycle. As our sun nears the end of its life cycle and burns away most of its hydrogen fuel, it will become a Red Giant and eventually a---

• Supernova

• Neutron star

• Red dwarf

• White dwarf

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

A large cloud of gas and dust from which a star begins is known as a---

• Blackhole

• Quasar

• Supernova

• Nebula

A black hole is a region in space where the gravitational pull is so great that----

• It consumes entire galaxies

• It can be used to travel to another universe

• Light cannot escape

• New stars are formed

Tags

NGSS.HS-PS2-4

Scientists approximate that there are 20 billion stars like our sun in the Milky Way. Why does the sun appear to be brighter that any other star in the Milky Way?

• The sun is older than all of the other stars in the Milky Way

• The sun is closer to the Earth than any other star in the Milky Way

• The sun is hotter than any other star in the Milky Way

• The sun has more energy than any other star in the Milky Way

Two stars are identified on the Herztsprung-Russell diagram below.

Based on this diagram, how do the characteristics of Star 1 and Star 2 compare?

• Star 1 is cooler and less bright than star 2

• Star 1 is hotter and brighter than star 2

• Star 1 is cooler and brighter than star 2

• Star 1 is hotter and less bright than star 2

Tags

NGSS.HS-ESS1-3

Which color is a very hot main-sequence star most likely to have?

• Orange

• Blue

• Yellow

• Red

Stars are composed primarily of---

• Silicon and carbon

• Oxygen and nitrogen

• Helium and hydrogen

• Hydrogen and oxygen

Galaxies are primarily classified by

• Color and size

• Shape and size

• Age and distance

• Color and distance

Which one of the following is NOT true of stars?

• Stars create energy by burning gases in their core

• Stars have a larger gravitational force than planets

• Stars are primarily made of hydrogen and helium

• Stars have much smaller masses than planets

Tags

NGSS.HS-ESS1-1