Big Bang, Dark Matter, & Dark Energy

Most of the universe is made of

• visible matter

• dark matter

• dark energy

• dark energy and dark matter

A force that speeds up the expansion of the universe is called

• supernova

• gravity

• dark energy

• dark matter

In the past, the entire Universe was a single, infinitely dense point that astronomers call ___

• iota

• the singularity

• the cosmic dot

• the inflection point

Tags

NGSS.HS-ESS1-2

In the 1990s, astronomers studying distant supernovae found that the expansion of the universe was ___

• indeterminable

• constant

• decelerating

• accelerating

Tags

NGSS.HS-ESS1-2

When we make a "budget of stuff" in the cosmos, what percentage is made of stuff we can't directly see?

• 5%

• 27%

• 68%

• 95%

Tags

NGSS.HS-ESS1-2

The mathematical description of the overall curvature of space, due to mass, is called ___

• the "calculus of the cosmos"

• the "geometry of the universe"

• the "algebra of everything"

• the "statistics of space"

Tags

NGSS.HS-PS2-4

What was the Universe like in the earlier times?

• Hot, dense with small less-evolved galaxies

• Cold, dense with small less-evolved galaxies

• Hot, light with small less-evolved galaxies

• Cold, light with small less-evolved galaxies

Tags

NGSS.HS-ESS1-2

It is now theorized that dark ___________ speeds up the espansion of the universe and dark _________ slows it down.

• matter, energy

• energy, matter

• gravity, energy

• gravity, matter

Dark matter is a theoretical substance. What does this mean?

• Scientists have simply guessed that it exists

• There is evidence for its existence, but it hasn't been proven

• Scientists are certain that it exists

• Scientists are split 50/50 over whether it exists or not

What kind of matter makes up you and me and all we can see?

• Special Matter

• Normal Matter

• Dark Matter

• Light Matter

Tags

NGSS.HS-ESS1-2