What is the main reason scientists are interested in weighing the vacuum of space?

Understanding the Universe: Dark Energy and Vacuum Fluctuations

Interactive Video
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Physics, Science
•
9th - 12th Grade
•
Hard

Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To determine the mass of galaxies
To understand why the universe is expanding
To find out why the universe's expansion is accelerating
To measure the speed of light
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Einstein introduce to his equations to maintain a static universe?
The Casimir effect
The cosmological constant
The uncertainty principle
The theory of relativity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What phenomenon did Edwin Hubble discover in 1929?
The existence of black holes
The acceleration of the universe's expansion
The expansion of the universe
The presence of dark matter
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Heisenberg uncertainty principle state about quantum measurements?
We can predict the future position of particles accurately
We can measure time and energy with absolute certainty
We can know either the position or momentum of a particle precisely, but not both
We can know both the position and momentum of a particle precisely
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are vacuum fluctuations?
Temporary changes in energy levels in a vacuum
Constant gravitational waves
Permanent particles in space
Stable energy fields in space
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main issue with the current predictions of vacuum energy?
They perfectly match observations
They predict a much slower expansion of the universe
They predict an expansion 120 orders of magnitude too intense
They suggest the universe is contracting
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the Archimedes Experiment?
To determine the age of the universe
To calculate the mass of the Earth
To weigh virtual particles in a vacuum
To measure the speed of light
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