Topic 5 Ecology

Question 1

Percentage of the Earth’s surface that is covered by the hydrosphere

Answer 1

70℅

Question 2

Percentages of the hydrosphere

Answer 2

97% is in oceans
3% freshwater
2% Is frozen
1% is in lakes

Question 3

Physicochemical properties of water

Answer 3

-Odorless
-Tasteless
-Colorless

Question 4

Explain the water cycle

Answer 4

-Evaporation
-Condensation
-Precipitation
-Runoff
-Infiltration

Question 5

Explain the urban water cycle

Answer 5

-Supply (water taken from a lake)
-Purification (Plants make water potable)
-Distribution (Pipes sent water to plants to take the water)
-Consumption (water is used for activities)
-Sewer (wastewater is conducted to treatment
-Treatment (remove impurities to turn it back)
-Discharge (Is pirofied and returned to nature)

Question 6

Oceans

Answer 6

-Pacific
-Atlantic
-Antartic
-Artic
-Indian

Question 7

Types of seas

Answer 7

-Mainly enclosed (surround by land and connected to the ocean
-Partly enclosed (connected by wide openings)

Question 8

Formation of the penetration of sea in coastlines

Answer 8

-Bays (a coast with mountain)
-Gulfs (penetration of sea to mainland)
-Coves (closed bays with small access to the ocean)
-Fjords (Narrow inlets with cliffs)
Cliffs = acantilado

Question 9

Physical properties of water

Answer 9

-Color
-Density
-Temperature

Question 10

Chemical properties of seawater

Answer 10

-Salinity

Question 11

Importance of seawater

Answer 11

-Climate stability
-The rain thanks to the evaporation
-Economic development

Question 12

What are the waves?

Answer 12

Ripples on the sea surface caused by wind

Question 13

Types of waves

Answer 13

-oscillation waves (in the ocean, high seas, calm)
-Translation waves (in the coast)

Question 14

What are the tides?

Answer 14

Alternating patterns of rising and falling sea levels
They are present in the coast, is the large in the sand

Question 15

Types of tides

Answer 15

-Spring tides (tide in the reaches point)
-Neap tides (lowest tides)