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Wonders of Water
Ch. 2 Test
Question | Answer |
---|---|
What causes water to come out of a faucet? | water pressure |
True or False Hard water contains no dissolved minerals. | False |
Water mains are buried in the ground to prevent water from _______________ in the winter. | freezing |
Water that contains few minerals is called __________ ____________. | soft water |
Name a type of water that would be tasteless, containing no minerals, chemicals, or air. | distilled water |
Water flows from a water tower because of ____________. | gravity |
The pushing of water on a surface is called ___________ ________________. | water pressure |
True or false Hard water produces more lather and suds than soft water. | false |
You should use __________ water if you like to take baths with lots of bubbles. | soft |
True or False When minerals dissolve, they mix with water and separate into tiny parts that cannot be seen. | True |
A tiny living thing that can a person sick is a ______________. | germ |
The type of water that contains no dissolved minerals is ____________ ___________________. | distilled water |
____________ water contains large amounts of dissolved minerals. | Hard |
Chlorine is used in water to ____________, or kill the germs. | disinfect |
____________ is the pull that every object has on other objects. | Gravity |
The more water there is the water tower, the ___________ the water will flow through the pipe. | faster |
Another name for pure water is ____________ ______________. | distilled water |
The type of water that is "treated" by running it through a water softener is _____________. | hard |
Name two ways to remove germs from water. | boli it or treat it with chemicals |