
Holland recycles slag into insulation

Interactive Video
•
Physics, Chemistry, Science
•
9th - 10th Grade
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the initial perception of glass furnace slag before Thrifty Holland's innovation?
A type of fuel
Worthless waste
A common building material
A valuable resource
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in the reprocessing of slag?
Blasting it with high-pressure steam
Pouring it onto a heap
Heating it to 3,000 degrees
Mixing it with other minerals
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what temperature is the slag reprocessed in the furnace?
4,000 degrees
1,000 degrees
2,000 degrees
3,000 degrees
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final form of the reprocessed slag?
A gaseous emission
A liquid solution
A fine fiber
A solid block
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary use of the new material created from slag?
Road construction
Jewelry making
Building insulation
Fuel for power plants
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