Why is helium considered safe for various applications?

Helium: The Vanishing Element

Interactive Video
•
Science, Physics, Chemistry
•
7th - 12th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is highly reactive.
It is inert and non-explosive.
It corrodes easily.
It is abundant in the atmosphere.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of helium used in the United States is for MRI machines?
25%
50%
10%
75%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of helium is present in the Earth's atmosphere?
0.5%
0.053%
0.00053%
5%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is helium typically extracted?
From water sources
From natural gas deposits
From coal mines
Directly from the atmosphere
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major challenge with extracting helium from natural gas deposits?
Helium is too expensive to transport
Helium is too heavy to extract
There is not enough helium to make extraction worthwhile
Helium is too reactive
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the United States' strategic helium reserve?
To export helium to other countries
To maintain a supply for scientific and medical use
To use in military applications
To inflate balloons for public events
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is helium-3 primarily used for?
Inflating balloons
Fuel for rockets
Cooling MRI machines
Detecting radiation from nuclear materials
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