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Lock (water navigation)

technology Maturity 9-11

A lock helps boats move.

Canal lock.svg
Canal lock.svg
It moves boats up or down. This is for hills in the water. It works like a small room. The water goes in or out. Then the boat can move.
Pound lock sequence.svg
Pound lock sequence.svg
Can you see how it works?

46 words
🖼️ Images & Media (20)
File:Lock and cottage on Aylesbury Arm of Grand Union - geograph.org.uk - 112420.jpg
Lock and cottage on Aylesbury Arm of...
File:HeidelbergLock2.jpg
HeidelbergLock2.jpg
File:Three Gorges Dam Ship Locks.jpg
Three Gorges Dam Ship Locks.jpg
File:Canal lock.svg
Canal lock.svg
File:Pound lock sequence.svg
Pound lock sequence.svg
File:Canal-sequence.jpg
Canal-sequence.jpg
File:Caisson lockenglish.svg
Caisson lockenglish.svg
File:Minden Weser-Mittelland Kanal Lock 01.jpg
Minden Weser-Mittelland Kanal Lock 01.jpg
Sault Ste. Marie Lock video sequence.ogv
File:Keiteleen kanava.jpg
Keiteleen kanava.jpg
File:Dalmuir drop lock.jpg
Dalmuir drop lock.jpg
File:Lockport bartlett color.jpg
Lockport bartlett color.jpg

+ 8 more

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📚 Content adapted from Wikipedia | Readability: FK 10.4 | Vital Level 4