Water Properties and Potability Review

Multiple Choice

1. _______ is to the amount of energy needed to create change as _________ is to the unit of measurement used for energy. 

• joules; adhesion

• specific heat; joules

• sublimation; deposition

Multiple Choice

2. Clouds are to ____________ as gas or vapor is to ________________

• evaporation; cohesion

• deposition; condensation

• condensation; evaporation

Multiple Choice

3. Reused is to the _____________ as efficient use is to _______________________

• water cycle; conservation

• conservation; water cycle

• water conservation; water cycle

Multiple Choice

4. Vaporizing Water molecules on trees is to _______________ as Vaporizing  water molecules on bodies of water is to  ___________

• condensation; evaporation

• transpiration; condensation

• evaporation; condensation

Multiple Choice

5. Homogeneous bodies of water molecules is to __________ as Heterogeneous water and other substances are to ____________ 

• cohesion; adhesion

• adhesion; cohesion

• surface tension; latent heat of fusion

Multiple Choice

6. Melting ice is to ________________ as 100 degrees C or 212 degrees F is to   __________ 

• melting point; boiling point

• boiling point; melting point

• latent heat of fusion; latent heat of vaporization

Multiple Choice

7. Heat in ( liquid water turning to gas) is to  ___________ as Heat out ( gas turning back to liquid) is ________________

• transpiration; evaporation

• evaporation; condensation

• melting point; boiling point

Multiple Choice

8. Dry Ice is to _________ as Frost is to ____________

• sublimation; deposition

• freezing point; melting point

• deposition; sublimation

Multiple Choice

9. Climbing water is to ________ as walking on water is to ____________

• surface tension; miracle

• cohesion; adhesion

• capillary action; surface tension

Multiple Choice

10. Hydrogen and Oxygen are to __________ as opposite attraction is to ___________  

• covalent bond; ionic bond

• water molecule; polarity

• ionic bond; polarity

Multiple Choice

11.Which best describes the amount of Earth’s total water supply that is usable freshwater?

• Less than 1%   

• Less than 25%    

• greater than 50%  

• greater than 75%

Multiple Choice

12. The graph shows the distribution of the freshwater resources of Earth.

Which of these sources of fresh water corresponds to Source 1?

•  Atmospheric water        

•   Surface Water           

• Frozen water                

•   groundwater 

Multiple Choice

 13. Which type of water reservoir could always provide fresh water?

     

• Inland lakes      

• River Deltas       

• Mountain  Glaciers     

• Tropical Seas

Multiple Choice

14. Which is Earth’s largest source of drinkable water?  

• Lakes 

• rivers 

• Oceans 

•  Aquifers 

Multiple Choice

15. The water cycle has no beginning or end, but it has an order. Which of the following are the    MOST likely ways that water would move through the water cycle?

•    1 & 2           

•   2 & 3              

• 3 & 4               

• 4 & 1   

Multiple Choice

16. Why is water from an aquifer more likely to be cleaner than water from other sources?

• Because it forms where freshwater and saltwater meet 

• Because it receives water directly from precipitation

• Because it rises to the surface near the ocean

• Because pollutants are filtered by rock and soil deep within the earth

Multiple Choice

17. Which best describes the process of evapotranspiration in the water cycle?

• Water from the ocean enters the atmosphere as water vapor 

• Water on the surface of the earth enters the groundwater supply

• Water vapor in the atmosphere returns to the surface of the Earth as liquid water

• Water on the surface of the Earth and water lost by plants enters the atmosphere as water vapor  

Multiple Choice

18. Which most likely causes the water table to rise? 

  

•  Increased evaporation 

• Increased Condensation

•  Increased Precipitation  

•   Increased Runoff

Multiple Choice

19. Approximately what percent of the Earth is covered by water?

• 30% 

• 50% 

• 70% 

• 90%

Multiple Choice

20. Why is the largest portion of the Earth’s water not used for drinking?

• It is contaminated                                        

• It is trapped in the Polar ice caps 

       

•   It is too deep in the ground to recover     

•  It is too costly to go through desalination

Multiple Choice

21. Which has the highest density?  

• Water at 0 C   

• water at 6 C 

• Water at 4 C 

• Water at 8C 

Multiple Choice

22.  Which property of water is most responsible for an insect being able to walk on water

• Adhesion  

•  Cohesion  

•   Density  

• Transpiration

Multiple Choice

23. What is the ratio of freshwater to saltwater on Earth 

• 3:97  

• 3:100  

• 97:3  

• 97:100

Multiple Choice

24. Which property of the molecules in ice makes ice float on water?

 

• They are farther apart than water molecules

• They are much larger than water molecules

• They contain more oxygen atoms than water molecules

• They move more quickly than water molecules

Multiple Choice

25. Which two elements make up water molecules 

• Hydrogen and Helium    

• Hydrogen and Carbon   

• Hydrogen and Oxygen    

Multiple Choice

26. Molecules  in which opposite ends have opposite electric charges

• Cohesion    

• Polar Molecules   

• Solution    

• Hydrogen Bond

Multiple Choice

Preferred heat and AC settings are to thriving living conditions as aquatic  __________ is to increased or decreased oxygen levels

• Temperature

• Dissolved Oxygen

• Turbidity

Multiple Choice

28. Increased Aquatic, photosynthetic  waste product is to _____________ as decreased ___________ is to dark or cloudy water.

• Dissolved oxygen;      turbidity

• temperature; turbidity

• potability; dissolved oxygen

Multiple Choice

29. Fertilizers, septic tank leakage, sewage and erosion of natural deposits are to ______ as human and animal waste, laundry, cleaning and industrial effluents are to __________

• nitrates; turbidity

• phosphates; nitrates

• dissolved oxygen; temperature

Multiple Choice

30. High concentration of positive hydrogen ions are to ______ as high concentration of negative hydroxide ions are to ______

   

• ph; bases

• bases; acids

• Acids; Bases

Multiple Choice

31. Alerting Alarm systems are to safe homes as the number of  __________________ are to the alerting of safe water

• bioindicators

• ph

• potability

Multiple Choice

32. Traceable is to  _________________ as  untraceable is to ____________________

• non point pollution; Point source pollution

• Point source pollution; non point pollution

Multiple Choice

33. Chemical, Physical and biological measurements of water is to __________________ as uncontaminated, unpolluted, and nonpoisonous water is to   _______________ 

• Water quality; potability

• Dissolved oxygen; non-potability

• potability; water quality

Multiple Select

34. Check all that apply to the physical variables associated with water quality

 

• Dissolved oxygen; bioindicators  

• pH

• Temperature; Water Movement  

• Salienty 

• turbidity  

Multiple Select

35. Check all that apply to the chemical variables associated with water quality 

• Dissolved oxygen

• pH

• Nitrogen

• Phosphorous

Multiple Choice

36. Circle all that apply to the biological variables associated with water quality  

 

• bioindicators  

• Dissolved oxygen

• Salienty

• ph

Multiple Choice

37.  The diagram below shows relative impact of nonpoint source pollution. Which aquatic environment would benefit the most from reduced runoff from lawns treated with fertilizers?

• Lakes

• Estuaries

• Rivers and Lakes

• Estuaries and Lakes

Multiple Choice

38. Which best explains a way of protecting water for human consumption?

• Ban the use of lakes and rivers for recreation        

•   Allow dumping of some waste into rivers

• Reduce the use of lakes & rivers for irrigation of crops   

• Improve water quality standards for industries located on Lakes & Rivers 

Multiple Choice

39. A small city gets its drinking water from the river running through its center. This river is fed by rivers that flow down the mountains nearby. How would excessive rainfall in the mountains most likely affect the turbidity of this local water source?

       

• Heavy rainfall would decrease the turbidity downstream  

• Heavy rainfall would increase the trinity downstream

• Heavy rainfall would increase the turbidity upstream

• Heavy rainfall would decrease the turbidity upstream  

Multiple Choice

40. Which factors can have the greatest effect on the health of a river system?

             

               

• Type of soil and salinity 

• Nitrite levels and Turbidity

• Human consumption and pH

• Natural Disasters and tidal changes 

Multiple Choice

41. If a body of water has high turbidity levels, what can most likely be concluded?

 

• It has a low pH 

• Unsafe to drink

• Too hot to drink

• contains a lot of chemicals

Multiple Choice

42. Why does fertilizer pollution stimulate the growth of algae in a pond?

• Algae are producers & use the Fertilizers to  rapidly multiply  

• Algae are producers & use fertilizer nutrients to decompose 

• Algae are parasites and absorb energy from the fertilizers in order to grow

• Algae are herbivores that feed off the plants which grow due to excess fertilizers  

Multiple Choice

 43. After analyzing data collected from a pond, there is a significant decrease in dissolved oxygen. Which most   likely caused the decline?

 

• An increase in minerals   

• An increase in sediment

• An increase in algae

•   Decrease in fish

Multiple Choice

44.  Which would most affect the health of fish in a local pond?

• The daily release of hot water into a pond from a factory

• A storm temporarily stirring up sediments in a pond

• The occasional erosion of sediments into the pond from a nearby field 

• A slight increase in the number of people who fish in the pond for food.

Multiple Choice

45. Which aspect of fertilizer pollution would have the greatest negative impact on an aquatic ecosystem?

• Nitrates poison the water that fish breathe through their gills 

• Microorganisms in the water absorb all the oxygen in the water and suffocate animals 

• Aquatic animals increase, adding producers to the food chain and feeding fish

• Algae blooms deplete the oxygen and block the sunlight from penetrating the body of water