
Understanding the Expanding Universe
Interactive Video
•
Physics, Science
•
9th - 12th Grade
•
Practice Problem
•
Medium
Emma Peterson
Used 3+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What analogy is used to describe the expanding universe?
A tree growing taller
A balloon being inflated
A river flowing downstream
A loaf of raisin bread rising
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a 'standard candle' in astronomy?
A tool for measuring temperature
An object with known brightness
A method to measure time
A type of telescope
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the inverse square law relate to brightness?
Brightness is unaffected by distance
Brightness increases with distance
Brightness remains constant
Brightness decreases with the square of the distance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to light as it travels through expanding space?
It remains unchanged
It shifts towards the red end of the spectrum
It shifts towards the blue end of the spectrum
It becomes brighter
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for the stretching of light wavelengths due to the expansion of space?
Spectral shift
Light dilation
Redshift
Blueshift
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was Einstein's 'biggest blunder' according to him?
The theory of electromagnetism
The theory of relativity
The cosmological constant
The photoelectric effect
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the cosmological constant now known as?
Dark matter
Electromagnetic force
Dark energy
Gravitational force
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