Liquid Oxygen (Amplify Lesson 3.1)

Flashcard
•
Science
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What color is liquid oxygen?
Back
Pale blue.
2.
FLASHCARD QUESTION
Front
Why do substances like hydrogen and methane require extreme cooling to become liquid?
Back
Because of their weak molecular attraction.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
3.
FLASHCARD QUESTION
Front
What is the role of molecular attraction in changing the phase of a substance?
Back
It pulls molecules toward each other.
Tags
NGSS.MS-PS1-4
4.
FLASHCARD QUESTION
Front
What happens in the third tank of the machine used to produce liquid oxygen?
Back
The temperature is increased slightly to evaporate nitrogen.
Tags
NGSS.MS-PS1-4
5.
FLASHCARD QUESTION
Front
Why is liquid oxygen rare compared to oxygen gas?
Back
It requires removal of a lot of kinetic energy to produce.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
6.
FLASHCARD QUESTION
Front
What is liquid oxygen?
Back
Liquid oxygen is oxygen that has been cooled to a very low temperature, causing it to become a pale blue liquid.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
7.
FLASHCARD QUESTION
Front
What is the boiling point of oxygen?
Back
The boiling point of oxygen is -183 degrees Celsius (-297 degrees Fahrenheit).
Tags
NGSS.MS-PS1-4
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