Big Bang Theory and Galaxies

What are galaxies held together by?

• Gravitational Attraction

• Stars

• Other galaxies

• Dust and Gas

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

Tags

NGSS.HS-ESS1-2

Which statement is true?

• The galaxies are moving toward us.

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• None of the above

Tags

NGSS.HS-ESS1-2

How old do scientists think the Universe is?

• 13.8 billion years old

• 4.5 billion years old

• 24,000 years old

• 5 years old

Tags

NGSS.HS-ESS1-2

The Big Bang that created the universe happened around

• 13.8 hundred years ago

• 4.6 billion years ago

• 13.8 billion years ago

• 8 billion years ago

Tags

NGSS.HS-ESS1-2

What is the name of the most widely accepted scientific theory of how the Universe formed?

• Steady State

• Big Bang

• Heliocentric

• Geocentric

Tags

NGSS.HS-ESS1-2

How big was the universe at the Big Bang?

• Really small - like a tennis ball

• A single point called the singularity

• A hot state as large as the sun

• A cold state as large as the moon

Tags

NGSS.HS-ESS1-2

What does the Big Bang theory suggest?

• The universe was just there

• The Milky Way is the only solar system

• The universe is continually expanding

• The universe is collapsing in toward a single point

Tags

NGSS.HS-ESS1-2

What were the original two elements in our universe?

• Lithium and Carbon

• Hydrogen and Neon

• Helium and Chlorine

• Hydrogen and Helium

As galaxies move away from our galaxy

a shift on the electromagnetic spectrum is noticed. This phenomena is

called _____________.

• redshift

• blueshift

Tags

NGSS.HS-ESS1-2