The universe

Reorder the following from largest to smallest

• galaxy

• universe

• solar system

• atom

Tags

NGSS.MS-ESS1-3

What force binds a galaxy together?

• heat

• light

• gravity

• dark energy

Tags

NGSS.HS-PS2-4

What is the sun?

• a star

• a singularity

• a compact dwarf

• a constellation

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

The universe was a ​ ​ (a)   before the Big Bang occurred.

• singularity
• black hole
• super spiral galaxy
• mass of antimatter

Tags

NGSS.HS-ESS1-2

How old is the universe?

• infinitely old

• over three trillion years old

• about 400 billion years old

• • 
    about 14 billion years old

Tags

NGSS.HS-ESS1-2

What is happening to the universe today?

• It is expanding in size.

• It is contracting in size.

• It is static in size and eternal.

• No one really knows.

Tags

NGSS.HS-ESS1-2

Which concept does Hubble's Law mostly concern?

• energy lost over time across the universe

• growing distance between galaxies

• how stars recycle energy and matter

• how the universe will eventually end

What can red shift information be used to find out?

• • the age and distance of the object

• the volume and mass of the object

• the material composition of the object

• the life expectancy of the object

Tags

NGSS.HS-ESS1-2

A blue shift means what?

• It’s old, and in the final stages of death.

• It’s moving towards the astronomer.

• It is expanding towards our galaxy.

• It has original hydrogen from the Big Bang.

Tags

NGSS.HS-PS4-3

Evidence that galaxies further away are moving at a faster rate than galaxies closer to us supports which concept?

• the Big Bang theory

• the antimatter theory

• the cosmological principle

• the closed universe model

Tags

NGSS.HS-ESS1-2