Inside a nebula are regions where gravity pulls together gas and dust into a ________.

• protostar

• nebula

• main sequence

• white dwarf

A star is born when nuclear ______ begins.

• measuring

• heating

• fusion

• fission

Tags

NGSS.HS-ESS1-1

Stars spend most of their life in the ____ phase.

• nebula

• red giant

• main sequence

• white dwarf

The ______ of a star determines what happens when it leaves main sequence and approaches the end of its life.

• gravity

• mass

• density

• volume

What phase is our sun in?

• red giant

• supernova

• main sequence

• white dwarf

The ______ is the last stage in a low-mass star’s life when it no longer emits heat or light.

• black dwarf

• nebula

• main sequence

• white dwarf

Label the phases in the life cycle of a LOW MASS STAR (like our sun) starting from STELLAR NEBULA in the blank below the picture. Your answer should include at least THREE (3) phases.

Answer explanation

Tags

NGSS.HS-ESS1-1

Label the phases in the life cycle of a high mass (large) star starting from the STELLAR NEBULA in the blank below the picture. Your answer should include at least THREE (3) phases.

Answer explanation

Tags

NGSS.HS-ESS1-3

Read the question and check TWO answer choices that are correct. An interstellar medium is a thinly spread area of gas and dust. Which of the following elements make up the gas and dust of the interstellar medium? Choose TWO correct answers.

• oxygen

• hydrogen

• carbon

• silicon

• helium

Describe in your own words how the life cycle of humans compares to the life cycle of a star.

Tags

NGSS.HS-LS1-4