General Water info
Water properties
In our body...
Phase changes
Purification
100
The elements that make up water
What are hydrogen and oxygen
100
This property of water allows a pin to float on the surface of water.
What is surface tension
100
This substance helps cool the body when we get too hot
What is sweat
100
What state of matter is ice
What is solid
100
This process removes the large impurities
What is screening
200
This element has a slightly negative charge
What is Oxygen
200
Which property/process causes surface tension?
What is cohesion
200
This is how sweat cools the body
What is uses the heat from our bodies to evaporate the sweat
200
Change of state from liquid to solid
What is freezing
200
This process can be used to purify sea water
What is distillations
300
It makes up about ___________________ of our bodies
What is 70%
300
This property of water allows water to "climb" up substances.
What is adhesion
300
Substances we need dissolve in our body's water and are taken around the body. This is because water is an excellent _____________________.
What is solvent
300
This process helps create clouds
What is condensation
300
How does alum work?
What is causes dirt to stick together and fall to the bottom
400
The boiling and freezing point of water
What is 100 degrees C and O degrees C
400
Water molecules tend to "stick" together because they have a positive and a negative part. So, we say it is a __________________ molecule
What is polar
400
_______________ and _________________ are two examples of substances taken around the body.
What glucose, oxygen, carbon dioxide etc.
400
Ice floats in water because it is _______________ dense than water
What is less
400
Why is chlorination done?
To kill micro-organisms
500
The removal of all impurities from water
What is purification
500
This is the number of hydrogen atoms in a water molecule.
What is two
500
We can only stay alive at certain temperatures, this property ensures that our bodies stay at this temperature
What is high specific heat capacity
500
This process results in the formation of rain and snow
What is precipitation
500
My bucket of water that I collected outside has in twigs and other impurities. List the steps that you would use to clean the water
What is...
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