Astronomy Review

Our galaxy is called the

• Earth Nebula
• The Hubble Galaxy
• The Milky Way
• The Snickers

Tags

NGSS.MS-ESS1-2

Galaxies are composed of (best answer)

• stars
• stars and gas
• stars, dust, and gas
• stars, dust, and gas held together by gravity

The Milky Way Galaxy is a 

• spiral
• lenticular
• elliptical 
• irregular

How many stars are in a galaxy.

• millions or billions
• thousands
• hundreds
• Ten

The energy from the sun is created by a process called:

• nuclear fission
• nuclear fusion
• nuclear reaction
• nuclear core

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Energy is created in the core when two _____________ atoms join together to form a ______________ atom.

• helium, hydrogen
• carbon, hydrogen
• nitrogen, helium
• hydrogen, helium

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

When we look at the sun, what layer are we viewing?

• photosphere
• chromosphere
• corona
• convection zone

What is the sun mostly made up of

• Helium
• Core
• Carbon
• Hydrogen

Tags

NGSS.MS-PS1-1

a brief burst of energy from the sun’s photosphere

• corona
• solar flare
• solar wind
• photosphere

Tags

NGSS.HS-ESS1-1

What protects life on Earth from gamma rays, X rays, and particles emitted by the Sun?

• The ozone layer in the stratosphere
• The ionosphere
• The magnetosphere (Earth's magnetic field)
• Clouds