Category 1
Something that is not dirty
Clean
When you are not sick
Healthy
to move in an upward direction
rise
where something comes from
source
something that goes on and on without stopping or pausing
continuous
a gathering of many small things in one place.
collection
the continuous movement of water from earth to sky and back
water cycle
water in the form of a gas
water vapor
to give what is needed
provide
to need something
require
a machine that makes liquids or gases go into or out of something.
pump
something with moving parts that usually uses power to do a job.
machine
to pull up or pull out
a deep hole in the ground from which you get water or oil
well
something new or a new way of doing something
invention
tubes used for carrying water or gas
pipes
where you can wash things like dishes or your hands
sink
when the sun heats up water, causing it to rise in the form of water vapor
evaporation
when water vapor cools and becomes a liquid again, forming clouds.
condensation
water falling from clouds as rain, snow, or hail
precipitation