Exploring Planet Earth
Part II

Chapter Two

COVER: Title: Earth’s Oceans

INSIDE COVER: By: __________

                    Published Date: ____

Page #1: Title: Salts in Ocean Water

1.  (Draw Figure 2-4. List the seven most abundant salts in ocean water.

2. (Restate) What three salts are the most common?

3. (Restate) What is salinity and how is it expressed?

4. Restate) What is the average salinity of ocean water?

Page #2: Title: Source of Salts and Other Materials

Our textbook describes three sources of salts and other materials added to ocean water. Choose one and draw.

1. (Restate) Describe the salinity of the ocean water at the mouth of the Mississippi.

2. (Restate) Describe how animal life can affect the salinity of water.

Page #3: Title: Temperature and Gases of Ocean Water

1. Draw Figure 2-7

2. (Restate) What three gases are most abundant in ocean water?

3. (Restate) Describe the three zones of the ocean. On what property of ocean water are these zones based?

  Page 10 and 11: Title: Life Zones in the Ocean

1. Draw Figure 2-22

2. (Restate) Describe the three major ocean life zones.

3. (Restate) Which zone contains the greatest variety of ocean life? Why?

Page 12 and 13: Title: Organisms in a Life Zone

1. Draw and label an organism from the following life zones: intertidal, neritic, open-sea, bathyal and abyssal zone

Page 4 and 5: Title: Features of the Ocean Floor

1. Draw Figure 2-10 and label all the features of the ocean floor.

2. (Restate) Describe the parts of the continental margin.

Page #6: Title: Seamounts and Guyots

1. Draw Figure 2-13

2. (Restate) Describe a seamount and explain how the Hawaiian Islands relate.

3. (Restate) Contrast seamounts and guyots.

Page #7: Title: Midocean Ridges

1. Draw Figure 2-15

2. (Restate) Describe midocean ridges.

3. (Restate) Describe a rift valley.

4. (Restate) Explain why scientists study the rocks in and around midocean ridges.

Page #8: Title: Types of Reefs

1. Draw (top) Figure 2-17.

2. (Restate) Describe the three types of reefs.

Page #9: Title: Plants and Animals of the Ocean

1. Draw and label an example of plankton, nekton and benthos.

2. (Restate) Describe three factors that affect the plant and animal life in the ocean.

3. (Restate) Describe plankton, nekton and benthos and where they can be found in the ocean.

Page 16: Title: Currents

1. Draw Figur e 2-33

2. (Restate) Wh at are currents? What is the difference between surface currents and deep currents?

3. (Restate) Is the Gulf Stream a warm or cold current?

Page 15: Title: Wave Characteristics

1. Draw Figure 2-30

2. (Restate) What are four characteristics of waves?

3. (Restate) What are the three basic motions of waves? 

Page 14: Title: Instruments Used by Oceanographers

1. Draw Figure 2-27

2. (Restate) Name three instruments used by oceanographers today to explore the ocean. How do these instruments compare in earliest expeditions