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- 1. Multiple Choice
Which of the following is an example of COHESION?
water sticking to water
water sticking to glass
oil sticking to plastic
hydrogen sticking to oxygen
- 2. Multiple Choice
What is the correct chemical formula for water?
H2O
HO2
H2O2
2H1O
- 3. Multiple Choice
Water is polar. What does that mean?
it is a molecule with opposite charges on opposite ends
it is a molecule with no charge
it is a molecule with identical charges on opposite ends
it is a molecule with too many protons
- 4. Multiple Choice
Water sticks well to many materials. What term relates to this property of water?
cohesion
adhesion
density
surface tension
- 5. Multiple Choice
What is the term for water's ability to defy gravity and climb up a tube?
Capillary Action
Specific Heat
Universal Solvent
Magic
- 6. Multiple Choice
A water strider can skate along the top of a pond because:
covalent bonds result in water cohesion (surface tension)
hydrogen bonds result in water cohesion (surface tension)
water striders have adapted to take advantage of water cohesion
water striders are afraid of water and avoid it
- 7. Multiple Choice
Why does ice float?
water expands when it freezes, making ice less dense than water
water compacts when it freezes, making ice more dense than water
hydrogen bonds in water push the ice to the surface
ice is afraid of water, and avoids it
- 8. Multiple ChoiceLarge bodies of water do not quickly fluctuate in temperature. Why?Water is a solvent.Water has a high heat capacity.Water acts as a buffer.Water is non-polar.
- 9. Multiple ChoiceWater is a universal solvent because it...It can be found anywhereIt freezes when it gets coldfloats when frozenDissolves most substances
- 10. Multiple ChoiceThe tightness across the surface of water that enables paper clips to float is ____________.adhesioncapillary actionsurface tensionpolarity
- 11. Multiple Choice
Which property of water allows water to climb up a tree's root system to the leaves?
Cohesion
water's density
Polarity
Capillary Action
- 12. Fill in the Blank
Water is a ___________ molecule due to it having a positive AND negative end.
- 13. Multiple Choice
What two elements make up water?
Helium and Oxygen
Hydrogen and Oxygen
Helium and Carbon
Oxygen and Carbon
- 14. Multiple Choice
How many hydrogen atoms are in a water molecule?
(HINT: H20)
5
1
2
0
- 15. Multiple Choice
Water dissolves all substances because it is the universal solvent.
True
False
- Answer choicesTagsAnswer choicesTags