Chapter 20.1B Review

What is one big difference between freshwater and ocean water?

• Temperature

• Salinity

• Color

• Density

What does salinity measure?

• Temperature of water

• Amount of dissolved salts

• Density of water

• Color of water

How is salinity measured?

• In parts per million

• In parts per thousand

• In parts per hundred

• In parts per billion

How many grams of water are used to measure salinity?

• 500 grams

• 1,000 grams

• 1,500 grams

• 2,000 grams

What happens to salinity at the poles during summer?

• It increases

• It remains constant

• It decreases

• It doubles

What is the salinity of the Red Sea?

• 33‰

• 34.7‰

• 36‰

• 40‰

Why does the Equator have warmer ocean water?

• It receives more direct sunlight

• It has more salt

• It is closer to the moon

• It has more ocean currents

What happens to ocean water at the Poles?

• It receives less energy per square area

• It receives more energy per square area

• It is warmer than at the Equator

• It is saltier than at the Equator

How is the temperature in the surface water zone described?

• Highly variable

• Extremely cold

• Relatively constant

• Rapidly increasing

What is the maximum temperature the ocean at the Equator can reach?

• 20°C

• 25°C

• 30°C

• 35°C