The Big Bang

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.

Tags

NGSS.HS-ESS1-2

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

Tags

NGSS.HS-ESS1-2

How old was the universe when the very first atoms started to form?

• Atoms formed at the instant of the Big Bang

• Atoms formed a few hundred million years after the Big Bang

• Atoms formed in the first seconds after the Big Bang

• Atoms still haven't formed. We can't see them, so they don't exist.

Tags

NGSS.HS-ESS1-2

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

Tags

NGSS.MS-ESS1-2

What is the name of our home galaxy?

• The Snickers

• The Milky Way

• The Twix

• The Baby Ruth

Where is our solar system located in the Milky Way galaxy?

• Right in the exact center

• On the outside edge, near the rim

• About 2/3rds of the way from the center

• About half way out from the center

Which of the following does not describe the shape of a galaxy?

• Some galaxies are blobby clusters with no definite shape

• Some galaxies are giant spirals with black holes in the middle

• Some galaxies are linear, with stars in a long curvy line from end to end

• Some galaxies are spherical or oval-shaped groups of stars

What is the shape of the Milky Way galaxy?

• Linear

• Elliptical

• Spiral

• Irregular

Which of the following objects is the biggest?

• Solar system

• Universe

• Galaxy

• Star

Tags

NGSS.MS-ESS1-3