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Introduction to Hydrosphere Flashcards | StudBud
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Introduction to Hydrosphere
Introduction to Hydrosphere
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Questions
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Answers
1
What would happen to ocean water if ice caps and glaciers melted?
More freshwater would enter the ocean, making it more dense.
More freshwater would enter the ocean, making it less dense.
More saltwater would enter the ocean, making it more dense.
None of these
2
Which act of stewardship most directly impacts the water cycle?
Limiting shower time to 10 mins.
Recycling alumnium soda cans
Carpooling to school during the week
Walking to work or school
3
What percentage represents the amount of freshwater on Earth?
97%
3%
23%
71%
4
What effect does the water cycle have on the total amount of water on Earth?
Changes due to precipitation & global warming and cooling
It remains relatively constant
It is constantly increasing
It is constantly decreasing
5
When water molecules stick to other water molecules. This is the definition for which property of water?
Surface Tension
Cohesion
Adhesion
Universal solvent
6
Universal solvent describes how water moves against gravity and can travel up a plants' roots into stems and leaves.
False
True
7
Which best describes the process of evapoTRANSPIRATION in the water cycle?
Water on the surface of Earth enters the groundwater supply.
Water vapor in the atmosphere returns to the surface of Earth.
Water lost by plants enters the atmosphere as water vapor.
Water from the ocean enters the atmosphere as water vaport
8
Jeff notices that even though it is 65 degrees outside and the ground is warm, the water is still cold. Which property?
Capillary Action
Cohesion
Specific heat
Adhesion
9
What is the first thing a student should do if an accident happens during a science experiment?
Put on safety goggles
Clean it up
Report it to teacher
Exit the room
10
Where does most fresh water exist?
Aquifers (underground), Ice Caps, and glaciers
Oceans
Glaciers, Rivers, and oceans
Ice caps, lakes, and streams
11
What characteristic of water explains why it has many different properties?
Not a molecule
No charge
Polarity
Nonpolarity
12
Where is the MOST fresh surface water located on Earth?
Ice Caps
Oceans
Underground
Lakes
13
What device is used to determine the volume of a liquid?
Anemometer
Thermometer
Graduated Cylinder
Test Tube
14
Which best describes the role of the water cycle?
Decreases usable supply of Earth's water
Circulates existing water on Earth
Reduces pollution in most of the water
Increases usable supply of Earth's Water
15
Where is the majority of Earth’s freshwater found?
Polar ice caps
Lakes
Ponds
Rivers
16
What BEST describes the amount of Earth's total water supply that is usable freshwater?
Greater than 50%
Less than 1%
Greater than 75%
Less than 25%
17
How much of the hydrosphere is oceans?
70%
30%
97%
87%
18
Where is most of Earth’s available (DRINKABLE) freshwater stored?
The atmosphere
Lakes & Rivers
Ice Caps & Glaciers
Underground
19
Which best describes the amount of frozen water on Earth?
0.9%
2%
3%
50%
20
Which contains MOST of the water on earth?
Ice
Oceans
Ponds
Aquifers
21
Where is most freshwater located?
Ice Caps
Groundwater
Oceans
Lakes
22
Why is freshwater in short supply on Earth?
Mostly in atmosphere
Mostly polluted
Most of it is trapped underground
Most of it is frozen
23
Where does all water on Earth eventually flow?
To the oceans
To rivers
To the ice
To lakes
24
What is the formula for density?
Volume divided by mass
Mass times volume
Volume minus mass
Mass divided by volume
25
Which best explains why so little of the water on Earth is available for human use?
97% is salt water and most of freshwater is frozen
97% of water is freshwater, & most of saltwater is in ice caps
97% is salt water and most of fresh water is in lakes, rivers, and ponds
97% is freshwater and most saltwater is underground
26
Which is the dominant physical feature of planet Earth?
Glaciers
Atmosphere
Oceans
Continents
27
The sun drives the water cycle.
True
False
28
Which best describes the process by which water from the ocean enters the atmosphere?
Precipitation
Infilitration
Evaporation
Condensation
29
Which property of water describes water's simultaneous positive AND negative charge?
Ionic
Adhesion
Cohesion
Polarity
30
How do you define the hydrosphere?
All of earth's organisms and enviornment in which they live
A layer of Earth's atmosphere made up of concentrated ozone
All the water on Earth
Part of Earth's mantle
