Science - 4th Qtr -You never miss the water till the well runs dry Flashcards
Is the continuous movement of water on Earth.
Water cycle
Is the main source of heat.
Sun
____ happens when liquid water changes into vapor.
Evaporation
Water in the gas phase is called?
water vapor
Warm water vapor goes up in the atmosphere. As the vapor goes higher, it begins to cool down and changes back into its liquid form as water droplets. This process is called ______?
condensation
During condensation, the tiny water droplets remain suspended in the air, and become clouds. Eventually, clouds become too heavy that they fall back to Earth as rain or snow in the process called _______.
precipitation
Water from rain that does not seep into the ground flow on the surface as _________.
runoff
Runoff are collected on surface water such as _____, _______, and _______.
creeks, lakes, streams.
True or False: Some of the water from rain could go to the sea or ocean?
True
Water that infiltrates below the ground form the ______________.
groundwater.
Evaporation of water in plants is called _____?
transpiration or evapotranspiration.
Earth’s water is distributed as _______ or ________.
freshwater or saltwater
Is a moving body of freshwater and it moves from higher to lower areas.
Running water
Are small bodies of water that lead to an ocean or sea?
Rivers
True or False: Water from rivers is commonly used for bathing, washing clothes, or irrigation for farming. Some rivers are big enough for transportation.
True
Example of a river that that are big enough for transporation?
Pasig River that flows along Pasig, Manila, and Mandaluyong City.
The bottom part of the river is called a ______.
riverbed
The sides of the river is called _________.
riverbanks
Are also running water, but smaller than rivers.
streams
One of the most famous streams in the Philippines, located in Davao del Norte?
Tandawan stream
How does standing body of freshwater is formed?
When rainwater is collected in shallow and low-lying areas.
Common examples of standing body of freshwater?
ponds and lakes
How would you describe a pond?
A pond is generally smaller and more shallow than a lake. Its shallow waters allow sunlight to reach the bottom part of a pond, hence, allowing plants to grow.
How would you describe a lake?
A lake is deeper and larger than a pond. Little amount of sunlight reaches the bottom of the lake. As a result, fewer plants grow in the deeper part of a lake.
Water in lakes and ponds is supplied by _______ and ______.
rainwater
runoff
One of the most popular lakes in the Philippines? It is a large, shallow body of freshwater in Luzon.
Laguna de Bay
It was constructed to divert floodwaters from Marikina into the lake.
Manggahan Floodway
Rain seeps into the ground and fills up the cracks or tiny spaces in fractured rocks and soil to form the ____________.
groundwater.
The process of completely filling up available spaces with water is called _______.
saturation
The ________ is where most of the pore spaces are filled with air.
unsaturated zone
When all the rock openings and spaces are filled with water, the area is called the __________.
zone of saturation.
The upper surface of the zone of saturation is called the ______. It is the boundary between saturated zone and unsaturated zone.
water table
True or False: Reservoir of groundwater exists for as long as enough rainwater seeps into the ground basin.
True
Is a source of freshwater. It is used for drinking, bathing, watering crops, and more.
Groundwater
Is used to extract water from it. Is a hole drilled into the ground to access water contained in an aquifer.
Well
Refers to underground layers of rock that are saturated with water that can be brought to the surface through natural springs or by pumping.
aquifer.
True or False: Oceans and seas are bodies of water that have dissolved salts in it.
True
The dissolved salts from oceans and seas make up the _____.
saltwater
Saltwater is a complex mixture of _____water, _____ salts, and smaller amounts of other substances, including dissolved inorganic and organic materials.
96.5% (water)
2.5% (salts)
An ____ is a large expanse of saltwater that covers three-fourths of the surface of Earth. They are interconnected bodies of saltwater where boundaries are established by lands of different continents.
ocean
Major oceans in the world?
Atlantic ocean
Arctic ocean
Indian ocean
Antarctic ocean
Pacific ocean
A _____ is a portion of the ocean that penetrates land. They vary greatly in size, shape, and depth. They are generally larger than bays.
gulf
The gulf found in northern part of Luzon. It has numerous islands where famous Hundred Islands National Park in Pangasinan is located.
Lingayen Gulf
Is a body of water partially surrounded by land. Is usually smaller and less enclosed than a gulf. The mouth is typically wider than that of a gulf.
bay
Is a natural harbor in the capital city of Philippines, Manila. Ships stay to facilitate trade between the Philippines and other countries.
Manila Bay
Is a body of saltwater that is part of the ocean and has land around partially enclosing it. It is a division of the ocean and are smaller in size compared to oceans.
sea
The largest seas include……
South China Sea
Caribbean Sea
Mediterranean Sea
True or False: Water plays an important role in the lives of living things.
True
True or False: Water provides habitat for many living things.
True
Is the place where an organism lives.
habitat
Aquatic organisms obtain their food from ____ to survive.
water
True or False: Without water, humans and animals will not survive.
True
Importance of water?
Habitat
Transportation
Body and life processes
Food
Recreation
Electricity
Name some of the water recreational activities?
swimming
surfing
kayaking
Are built across a river to control water flow and regulate flooding.
Dam
Other dams are built to produce energy called _____.
hydroelectric power
Dams hold water in reservoirs called _____
tanks
True or False: Water pollution happens when contaminants or pollutants are directly or indirectly discharged to bodies of water.
True
Causes of water pollution:
Sewage and Wastewater
Marine dumping
Industrial waste
Oil spill
Acid Rain
Is a condition that alters the natural water temperature which risks marine life is called?
thermal pollution
How does acid rain affect our waters?
The change in acidity level affects the reproduction, growth, and survival of some fish and plants on lakes and streams.
True or False: Acid rain carries toxic metals that have been released from the soil into lakes and streams. It can hinder the ability of fish to take in oxygen, salts, and nutrients needed to stay alive.
True
