Cosmic

The theory that best explains the origin of the Universe is

• Big Bang

• Steady State theory

• Inflation theory

• None of the above

Tags

NGSS.HS-ESS1-2

Big Bang occurred __________ years ago.

• 12.8 Billions

• 13.8 Billions

• 12.8 Millions

• 13.8 Millions

Tags

NGSS.HS-ESS1-2

What are the two things opposing each other that will determine how the universe ends?

• Gravity and Expansion Rate

• Size and Mass

• Gravity and size

• Expansion and mass

The average density of matter required for the Universe to just halt its expansion is known as

• Critical Density

• Absolute density

• Relative density

• None of the above

The critical density of the Universe approximately equal to 6 _____________ atoms per cubic metre.

• Nitrogen

• Hydrogen

• Carbon

• Iron

If the density of the Universe is less than critical density, the shape of the Universe is__________________.

• Closed

• Open

• Flat

• None of the above

If the density of the Universe is ________ than critical density, the shape of the Universe is Close.

• Greater than

• Less than

• Equal to

• None of the above

Eventually, gravity will cause a closed Universe to collapse back in on itself, ending in the ________.

• Big Freeze

• Big Rip

• Big Crunch

• None of the above

Which Universe will end in “Big Chill” / “Big Freeze” OR “Big Rip”?

• Open Universe

• Flat Universe

• Both of the above

• None of the above

The yellow curve represents the expansion of which type of the Universe?

• Open Universe

• Closed Universe

• Flat Universe

• None of the above

Tags

NGSS.HS-ESS1-2