
Understanding Fire Hydrants and SciShow Finds

Interactive Video
•
Science, Fun
•
5th - 8th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why don't fire hydrants burst in cold weather like water pipes do?
They are insulated with special foam.
They are made of stronger materials.
They are heated internally.
Different types of hydrants are used based on climate.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of wet barrel fire hydrants?
They have no water in them when not in use.
They are buried below the frost line.
They are used in colder climates.
Water flows into the above-ground section even when not in use.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are wet barrel hydrants unsuitable for cold climates?
They are too expensive to maintain.
They freeze and can burst due to expanding ice.
They require constant water flow.
They are difficult to operate.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do dry barrel hydrants prevent freezing?
They are insulated with foam.
They are made of freeze-resistant materials.
They are heated with electric coils.
Water is kept underground below the frost line.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the water in a dry barrel hydrant after use?
It is heated to prevent freezing.
It is recycled back into the water main.
It is drained to prevent freezing.
It remains in the barrel.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a downside of dry barrel hydrants?
They are less efficient in water delivery.
They require more frequent maintenance.
They are more expensive than wet barrel hydrants.
They can be harder to repair due to underground valves.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might dry barrel hydrants get clogged in cities?
They are not regularly cleaned.
They have smaller openings.
They are used as makeshift trash cans.
They are made of porous materials.
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