8.8A : Level 3 Vocabulary

Front

What is a celestial body where the fusion of Hydrogen into Helium creates radiation?

Back

Star

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

What is a celestial structure characterized by having long, spiral arms and a bright center bulge?

Back

Spiral Galaxy

Front

What is a celestial structure that is a collection of stars held together by gravity and has an oval shape, but lacks spiral arms?

Back

Elliptical Galaxy

Front

What is a celestial structure whose primary characteristics are a collection of stars held together by gravity, without any clear pattern or shape?

Back

Irregular Galaxy

Tags

NGSS.MS-ESS1-2

Front

What is the process that occurs when atoms collide at such high speeds and temperatures that two atoms merge into one?

Back

Nuclear Fusion

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Front

What is the primary source of energy for stars?

Back

Nuclear Fusion

Tags

NGSS.HS-ESS1-1

Front

What type of galaxy is the Milky Way classified as?

Back

Spiral Galaxy

Front

What is the main difference between elliptical galaxies and spiral galaxies?

Back

Elliptical galaxies lack spiral arms and have an oval shape, while spiral galaxies have distinct spiral arms.

Front

What is the role of gravity in the formation of galaxies?

Back

Gravity holds stars together in galaxies and influences their shape and structure.

Tags

NGSS.HS-PS2-4

Front

What are the three main types of galaxies?

Back

Spiral, Elliptical, and Irregular Galaxies.