Vocab
What is a dam?
a structure used to hold water or stop the flow of water
what is a claim
an answer to a question or statement about a scientific prinicple
What two things does a water tower do?
Stores water and keeps the system pressurized
what is a contaiminate?
something potential harmful in a water source, like sediment or lead
name an activity that takes water, besides drinking it
various answers
ground water
water that is found underground
What should evidence include?
facts, numbers, eye witness accounts, locations, dates, places
What could you use to clean the water you get from underground?
A filter
what is one way to help prevent contamination of our water?
Various answers, pick up trash, don't pour chemicals into water, dont wash car after it rains, use less fertilizer... etc
what is water demand
the amount of water needed from a resource
when water demand is more than a water resource
water scarcity
Using information from a model would probably supply an answer to which of the areas of claim, evidence, and reasoning
evidence
What structure carries water from one place to another?
pipes
how do we clean water sources?
remove contaminates through physical and chemical processes
where is most of the fresh water located on our planet?
(bonus points if you also tell me where a majority of the world gets their drinking water!)
in glaciers and icebergs ( ground water)
molecule
two or more atoms together
read the following and decide whether is claim, evidence or reasoning:
"As human population increases, water demand will also increase"
((get bonus points if you can tell me why it is whichever you pick!))
it is a claim because it is a statement that is easily debatable and defendable
How can engineering/technology be used to help with clean water?
filters can be used to clean water, storage tanks, water towers, reservoirs can be used to store water for later use
what is a natural way to clean water?
filtering through the ground, oysters, everglades/swampy plants like reeds
what is desalination?
purifying ocean water by taking the salt out of it
A report that shows the amount of contaminate in a water source
water quality report
What is the reasoning portion of claim evidence and reasoning?
reasoning is the connection between the evidence and claim and explains how the evidence supports the claim
Where does water go to get cleaned before being sent out to the city?
water treatment plant
Why can't we tell if water is contaminated just from looking at it or tasting it? (be specific!)
If water has a contaminate in it that is dissolved in the water, it might have such a small concentration that is cannot be seen or tasted but still cause harm
as population increases, what will happen to water demand?
it will get bigger as people will need more water