What is a lock?
Q: What is a lock?
A: A lock is a device that keeps things closed and prevents people from opening something.
Q: What opens locks?
A: Keys, electronic cards or secret numbers can open locks.
Q: What does the verb "to lock" mean?
A: The verb "to lock" means to set the lock so the door or object is closed.
Q: What is a locksmith?
A: A locksmith is a person who works on locks.
Q: Can a lock be used on a river or canal?
A: Yes, there are locks specifically used for water transport on a river or canal.
Q: What does a lock prevent people from doing?
A: A lock prevents people from opening something, such as a door or a box.
Q: What keeps locks closed?
A: The lock itself keeps things closed once it is set.
