Unit 1 - Section 1 Quiz Review (Big Bang & Galaxies)

The ________________ is believed by many scientists to be an event that created the universe.

• Inflation

• Cosmic Expansion

• Big Bang

• Meteor Shower

Tags

NGSS.HS-ESS1-2

____________ is a scientist that studies space, stars, planets, and galaxies.

• Biologist

• Astronomer

• Physicist

• Paleontologist

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

A ________ is a scientific idea that is supported by a lot of evidence but it still hasn't been proven 100% true or false just yet.

• Theory

• Fact

• Opinion

• Hypothesis

Dark matter and dark energy make up about _______ of the mass of the universe.

• 5%

• 95%

• 25%

• 75%

Tags

NGSS.HS-ESS1-2

About 5% of the universe's mass is made up of:

• all known objects (stars, planets, living things, etc.)

• dark matter and dark energy

• gravity and oxygen

• inflation and expansion

Tags

NGSS.HS-ESS1-2

What is the name of our home galaxy?

• Andromeda

• Snickers

• Earth

• Milky Way

Approximately how many galaxies are believed to exist in the universe?

• 14 billion

• 1.7 thousand

• 1.7 billion

• 14 thousand

Tags

NGSS.HS-ESS1-2

What force holds all galaxies together?

• Gravity

• Atoms

• Stars

• Oxygen

Tags

NGSS.HS-PS2-4

What is found at the center of galaxies?

• Stars

• The Sun

• Nothing

• Black Holes

Which of the following refers to the distance a beam of light can travel in one year?

• Miles

• Meters

• Light-years

• Light-waves