delta

a triangular shaped area of soil at the mouth of a river that looks like fingers

silt

a mixture of soil and small rocks

papyrus

valuable crop used to make paper

cataract

waterfall

unify

to unite

pharaoh

title given to a king meaning "great house"

hieroglyphics

form of writing based on pictures

pyramid

stone building that housed the dead

mummy

preserved Egyptian body

economy

the way people use and manage resources

independent

free