Unit 2: Earths Waters
Authored by Lauren West
Other Sciences
7th Grade
Used 89+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What two elements make up water?
Helium and oxygen
Hydrogen and oxygen
helium and carbon
oxygen and carbon
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When a molecule has an opposite electrical charge on each end, it is known as what?
cohesion
polar molecule
hydrogen bond
solution
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What word describes when water is attracted to other substances?
cohesion
adhesion
capillary action
surface tension
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When water molecules stick easily to other water molecules, this is called what?
cohesion
adhesion
solution
polar molecule
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Water is a universal solvent because it...
It can be found anywhere
It freezes when it gets cold
floats when frozen
Dissolves most substances
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form
less polar
more polar
less dense
more dense
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Water molecules require a lot of energy to separate one from the others. This gives water a high
density
polarity
solvency
specific heat
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