Structure of the Universe

A star and everything that revolves around it.

• solar system

• galaxy

• universe

• rotation

Tags

NGSS.HS-ESS1-4

Which structure includes all matter and space that exists?

• A planetary system

• A star

• A galaxy

• The universe

What is a planetary system?

• A cluster of planets

• Planets that orbit a star (or stars)

• A star (or stars) that orbit a large planet

• A group of extraterrestrial objects (such as asteroids) that orbit a planet

Tags

NGSS.HS-ESS1-4

What is a light-year?

• The distance light travels in one year

• A way to compare the speed of light to the speed of sound

• The amount of light energy emitted by stars during one year

• A way to measure the age of our universe

What is the Big Bang Theory?

• The most accepted scientific explanation for the creation of the universe

• The theory that the universe inflated rapidly from an infinitely small, dense spot

• A very unpopular theory that is not supported by any evidence

• Both a and b

Tags

NGSS.HS-ESS1-2

According to the Big Bang Theory, what happened during the first second of the universe’s existence?

• The universe expanded from smaller than a single atom to bigger than a galaxy

• Hydrogen atoms began to form

• The universe is a cold, -200 degrees Celsius

• The Milky Way Galaxy begins to form

Tags

NGSS.HS-ESS1-2

The universe includes:

• all the matter known to exist

• all the space that exists

• nearly 200 billion galaxies

• all of the above

Tags

NGSS.HS-ESS1-2

What did the first dying stars create?

• Hydrogen

• Helium

• Heavy Elements

• Both Hydrogen & Helium

Tags

NGSS.HS-ESS1-3

How has the temperature of the universe changed over the past 14 billion years?

• It has increased

• It has decreased

Stars are made mostly of which two elements?

• Chlorine and cesium

• Hydrogen and helium

• Astatine and arsenic

• Selenium and sodium

Tags

NGSS.HS-ESS1-1