The Big Bang

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

Light emitted from a star or galaxy can be separated into a band of colors, called a ________.

• Red Shift

• Wave Length

• Spectrum

• Microwave

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

Where is the center of the universe located?

• There is no center of the universe.

• At the center of the Milky Way galaxy.

• 14.5 billion light years away from Earth.

• In a large singularity near the Andromeda Galaxy.

Which word best describes a singularity?

• a. Large

• b. Cold

• c. Dense

• d. Flammable

According to the Big Bang Theory, what is happening to the size of the universe?

• The universe is growing

• The universe is shrinking

• The universe is staying the same size

• The universe rides on the back of four elephants, supported by a turtle.

What observation have astrophysicists made about the rate at which the universe is changing size?

• The universe is growing faster and faster

• The universe is still growing, but it's slowing down

• The universe is shrinking faster and faster

• The universe is shrinking, but it's slowing down and should stop soon.

What does the BBT hypothesize about the size of the early universe?

• The universe used to be much much larger than it is today.

• The universe used to be a tiny speck of super-dense matter.

• The universe has always been the same size

What is a galaxy?

• Like a solar system, but made of dust

• A cluster of thousands of stars all floating together in space

• A cellphone made by the Nokia company

• A grouping of hundreds of millions of stars held together by gravity