Life Cycle of a Star Checkpoint #1

What is the sequence of changes that occur as a star ages called?

• Life Sequence

• Star Sequence

• Life Cycle of a Star

• Aging Sequence

Tags

NGSS.HS-ESS1-3

Which of the following is NOT a part of the life cycle of a star?

• Protostar

• Main Sequence

• White Dwarf

• Star Nursery

Tags

NGSS.HS-ESS1-3

The interstellar medium is made up of what two main components?

• Gas and silicon

• Gas and dust

• Hydrogen and carbon

• Carbon and silicon

What is the most abundant gas in the interstellar medium?

• Oxygen

• Carbon

• Hydrogen

• Silicon

What are the two main elements that dust in the interstellar medium is mostly composed of?

• Carbon and Oxygen

• Silicon and Helium

• Carbon and Silicon

• Hydrogen and Helium

What term is used to describe the birthplace of stars?

• Interstellar Medium

• Nebula

• Protostar

• Star Factory

During which life cycle phase do gravity and gas pressure reach equilibrium?

• Main Sequence

• Protostar

• Red Giant

• White Dwarf

Stars who have made it to Main Sequence have achieved ________ _________?

• Nuclear fission

• Nuclear fusion

• Chemical reaction

• Thermal expansion

Tags

NGSS.HS-ESS1-1

Into what element does hydrogen begin fusing when nuclear fusion starts in a star?

• Oxygen

• Carbon

• Helium

• Silicon

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

What is a star primarily composed of?

• Helium and Carbon

• Helium Gas

• Hydrogen Gas

• Hydrogen and Carbon

Tags

NGSS.HS-ESS1-1