
Exploring Time Dilation and the Twin Paradox

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be true for the second postulate of special relativity to hold?
The speed of light must be faster than any other speed.
We must rethink how time works.
The speed of light must vary in different reference frames.
Time must be absolute.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used to describe the phenomenon where time passes at different rates for observers in different reference frames?
Time contraction
Time dilation
Time expansion
Time compression
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the thought experiment, what path does the light pulse follow according to the observer on Earth?
A straight vertical path
A diagonal path
A circular path
A straight horizontal path
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What mathematical theorem is used to calculate the distance traveled by the light pulse according to the observer on Earth?
Euclidean algorithm
Fundamental theorem of calculus
Binomial theorem
Pythagorean theorem
Tags
CCSS.8.G.B.8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an astronaut travels at 80% the speed of light for one year, how long will that be for someone on Earth?
0.8 years
1.67 years
1 year
1.25 years
Tags
CCSS.8.EE.C.7B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do GPS satellites need correction factors for their clocks?
They move very fast, causing relativistic effects.
They are affected by gravitational waves.
They are affected by solar radiation.
They are too far from Earth.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the time dilation effect as the speed of an object gets very small relative to the speed of light?
It increases significantly.
It remains constant.
It becomes negative.
It approaches zero.
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