Our Expanding Universe
Flashcard
•
Social Studies
•
9th - 12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
The three pieces of evidence for our current theory of the universe are: redshift, CMB, distribution of galaxies.
Back
redshift, CMB, distribution of galaxies.
2.
FLASHCARD QUESTION
Front
Galaxies that are redshifted are:
Back
moving away from us.
3.
FLASHCARD QUESTION
Front
The universe is expanding! This means that: all of the galaxies are spreading out., the universe must have started from a single point., the universe is cooling down., all of the above.
Back
all of the above.
4.
FLASHCARD QUESTION
Front
The CMB is:
Back
the remaining energy from the big bang.
5.
FLASHCARD QUESTION
Front
What allowed our planets and their moon(s) to form our solar system?
Back
Gravity formed planets from smaller pieces of debris
6.
FLASHCARD QUESTION
Front
The gravitational equation is shown in the image: What two factors influence the gravity between the two objects?
Back
mass and distance
7.
FLASHCARD QUESTION
Front
Light waves that are stretched out by objects moving apart:
Back
appear more red.
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