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aquatic science > unit 1 > Flashcards

unit 1 Flashcards

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Biology 101 flashcards
1
Q

All living systems in the _____________ depend on earth’s other systems to survive.

A

biosphere

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2
Q

In which step of the water cycle is the water is turned into water vapor?

A

evaporation

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3
Q

The four types of liquid water from least salty to most salty are _____.

A

freshwater, brackish water, saltwater, brine

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4
Q

the study of water as it moves through the water cycles

A

the study of oceans, which includes navigation of the oceans

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5
Q

_______________ forms when ice crystals melt on their fall to earth’s surface and then refreezes as it encounters a layer of air below freezing before hitting the earth.

A

Sleet

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6
Q

The ____________ is the system that contains all the air surrounding the earth.

A

atmosphere

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7
Q

What is the scientific method?

A

a series of steps that scientists use to find out more about the world in which we live

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8
Q

How did Ptolemy contribute to oceanography?

A

drew a world map that was used by mankind for over 1,200 years

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9
Q

Define aquatic biology.

A

the study of life in water

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10
Q

An example of a closed system can be _____.

A

water cycle

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11
Q

What is an independent variable?

A

a variable that is purposefully changed in an experiment

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12
Q

What is hydrosphere?

A

the system that contains all the earth’s water and the water cycle

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13
Q

What is referred to as a controlled variable?

A

a variable that does not change during an experiment

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14
Q

What is percolation?

A

when water falls on soil, rocks, or sand the water slowly moves downward due to gravity through the pores of these materials

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15
Q

Indus River

A

Early civilization in present-day Pakistan developed near the _____.

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16
Q

What is a theory?

A

is accepted as true by most scientists but they can change

an explanation of a natural or physical phenomenon based on a hypothesis that has been found to be true and has been verified many times by different groups of scientists

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17
Q

How much of the adult human body is made out of water?

A

70%

18
Q

Systems thinking is _____.

A

circular

19
Q

The _________ is the top layer of earth’s crust.

A

lithosphere

20
Q

_________________ is the step in which saltwater is transformed into freshwater.

A

Evaporation

21
Q

Ancient Egyptians developed their civilization near the _____.

A

Nile River

22
Q

The scientific phrase for water is _____.

A

dihydrogen monoxide

23
Q

What is groundwater?

A

Groundwater is water that is stored under the earth’s surface.

24
Q

The _________ is the system that contains all of earth’s land and rocks.

A

geosphere

25
Q

What is a scientific law?

A

absolute truth, simple and can be applied in all situations

a factual statement that describes an action, or set of actions, in precise terms

26
Q

_______ and _______ discovered the water cycle.

A

Bernard Palissy
Leonardo da Vinci

27
Q

In which step of the water cycle does the water return to land and falls from the clouds?

A

precipitation

28
Q

____________ are just as likely to be proven true or false.

A

Hypotheses

29
Q

A ___________ is an explanation of a natural or physical phenomenon based on a hypothesis that has been found to be true and has been verified many times by different groups of scientists.

A

theory

30
Q

What is a good way to start a problem?

A

If _____________, then _____________.

31
Q

___________ correctly identified both whales and dolphins as mammals.

A

Aristotle

32
Q

In what ways do clouds become too heavy with water?

A

Bergeron Process

33
Q

____ is the process of water vapor transforming into liquid water or ice crystals and forming clouds.

A

Condensation

34
Q

In which step of the water cycle is the water is turned into liquid?

A

condensation

35
Q

What is referred to as the dependent variable?

A

a variable that is changed by, or because of, the independent variable

36
Q

What is the water cycle?

A

a system that moves and recycles water through evaporation, condensation, and precipitation

37
Q

What is a good way to start a hypothesis?

A

If _____________, then _____________.

38
Q

What is runoff?

A

water that falls on the earth’s surface, flows, but does not infiltrate into the ground

39
Q

What is referred to as an extraneous variable?

A

an uncontrolled variable that could interfere with an experiment

40
Q

What is a hypothesis?

A

an educated guess.

41
Q

hydrology.

A

the study of water as it moves through the water cycles

aquatic science (1 decks)

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