Ch. 1 Test Review

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Aquatic Science
Chapter 1 Review Sheet
Name ________________
Period ________________
1. Explain the difference between solvent and solute.
2. Complete the table below for each component of water.
pH of Pure
Ocean H2O
Structure of
Salt Percent
Water
Temp
Pure Water
In Ocean H2O
Range
Range of Dissolved
Oxygen in Ocean
Water
3. What two main compounds are found in Sea (salt) water?
4. Complete the statements below to make them true statements.
As temperature of water increases, the density ___________________ and as
temperature of water decreases, the density ____________________.
As salinity of water increases, the density _______________ and as salinity decreases,
the density ____________________.
As the density of a liquid increases, the buoyant force of that
liquid____________________ and as the density of a liquid decreases, the buoyant
force of that liquid _____________________.
5. How many grams of salt need to be added to 1000 mL of water to make salt water of
having the salinity of ocean water?
6. Complete the charts below with the correct units for each.
Temperature
Density
Mass
Liquid Volume
Dissolved
Oxygen
7. The atmospheric pressure of ocean increases one atm every _________________
meters.
Aquatic Science
Chapter 1 Review Sheet
Name ________________
Period ________________
8. Draw and Label the phase change diagram in the box below using the following terms:
Gas, Solid, Liquid, Freezing, Melting, Condensation, and Evaporation.
9. Explain how salt accumulates in the ocean water.
10. Explain the principle of density.
11. Explain how one could determine the approximate density of an object without
measuring or calculating the density?
12. What is the formula for density?
13. What is the formula for finding the volume of a rectangular object?
Calculations: (Be sure you are able to perform calculations similar to these below)
14. A solid block has the dimensions of 30cm X 25cm X 15cm. The block also has a mass of
200g. What is the density of the block?
Aquatic Science
Chapter 1 Review Sheet
Name ________________
Period ________________
15. A solid cube composed of an unknown substance is placed on an electronic scale. The
mass of the cube is determined to be 54 g. The volume of the cube is 9 cm 3. What is
the density of the object?
16. A liquid has a density of 1.5 g/ml. If 50 grams of the liquid is poured into a graduated
cylinder, how much space will it occupy?
17. A solution has a density of 1.50 g/ml. How many grams are needed to obtain 10 ml of
solution?
18. List 5 properties of water.
19. What is water quality? How do humans affect water quality?
20. How does pollution affect aquatic life?
Aquatic Science
Chapter 1 Review Sheet
Name ________________
Period ________________
21. How is dissolved oxygen in water affected by temperature?
22. How does the earth, water, and atmosphere maintain a relatively constant
temperature?
23. Explain how temperature and salinity affect the density of ocean water? (refer to graph
above)
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