
Understanding Dark Matter

Interactive Video
•
Physics, Science
•
7th - 10th Grade
•
Hard

Jackson Turner
FREE Resource
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used for the unseen matter that is more common than visible matter in the universe?
Dark Matter
Antimatter
Dark Energy
Black Holes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do physicists believe in the existence of Dark Matter?
Because it emits light
Because it can be seen with telescopes
Because of its gravitational effects
Because it is made of atoms
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What analogy is used to describe the role of gravity in a galaxy?
A giant merry-go-round
A rolling ball
A spinning top
A swinging pendulum
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What would happen to stars in a galaxy without the gravitational force of Dark Matter?
They would collapse into a black hole
They would fly off into space
They would stop moving
They would merge into one
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do astronomers measure the rotation of galaxies?
Using telescopes
By observing star colors
Through the Doppler effect
By measuring temperature
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What phenomenon explains the change in pitch of a police siren as it passes by?
The speed of light
The Doppler effect
The echo effect
The gravitational pull
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