Formation of stars

Stars are swirling balls made up of...

• fire and ash.

• plasma and liquid.

• gas and dust.

• fire and plasma.

A collection of gas and dust that can form a star is called a...

• Stellar Nebula.

• Planetary Nebula.

• Globular Cluster.

• Stellar Nursery.

What is the primary element that stars fuse early in their life cycle?

• Helium
• Dust
• Hydrogen
• Iron

Tags

NGSS.HS-ESS1-1

The life cycle of a star depends  on.

• mass
• luminosity
• radius
• temperature

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is the first stage of the life cycle of a star for all stars?

• nebula
• protostar
• main-sequence
• red giant

A stellar nebula is made up of...

• clouds of gas

• clouds of gas and dust

• stars

• planets