Rolling Along in Mesopotamia
A Piece of Time
Code Makers and Code Breakers
100
When people first start to live in a place.
settlement
100
to lose confidence or enthusiasm
discouraged
100
to give money or things to a good cause 
contribution
200
the social position you have compared to someone else.
status
200
to give a talk about a subject to a group of people
lecture
200
to change the original message to a different language or code
translate
300
something that is new or uncertain
venture
300
having the ability to keep going when something is really hard
endurance
300
to pass on something like a message, from one place to another
transmit
400
something that lasts a long time or forever
permanent
400
a person who does experiments to test new ideas
scientist
400
to partially block a view of something
obscure