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Balancing Act (Nitrogen Cycle + EDD) Flashcards

Study all cards (26 cards)

1
Q

What is Nitrogen?

A

Nitrogen is a gas that makes up the Atmosphere

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2
Q

Places where Nitrogen can be found

A

Meteorites, Volcanos, Water, Soil, Rain, Some Stars and Nebulae*

*There can be other places

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3
Q

What’s the Scientific symbol for Nitrogen?

A

N

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4
Q

What atoms are in one molecule of nitrogen?

A

1 Nitrogen atom and 2 Oxygen atoms

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5
Q

What is the type of Nitrogen in our bodies?

A

DNA & Proteins

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6
Q

Nitrogen that we find in the Atmosphere and can’t use

A

Nitrogen gas (N2)

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7
Q

Bad nitrogen from dead animals/plants that decomposers decompose

A

Ammonium (NH4+)

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8
Q

“ICKY” Nitrogen that is found in soil

A

Nitrites (NO2-)

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9
Q

Nitrogen Plants can have

A

Nitrates (NO3-)

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10
Q

Can we get Nitrogen by breathing it in?

A

No, we can’t we eat other plants/animals to get nitrogen

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11
Q

What two things “fix” (change) Nitrogen from bad to good?

A

Lightning & Bacteria

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12
Q

What changes Nitrogen Gas into Ammonium and what is this process called?

A

Bacteria, this process is called Nitrification

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13
Q

What changes Nitrites into good Nitrates?

A

Bacteria

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14
Q

What can have Nitrates and what is the process called to give them the Nutrients?

A

Plants and the process is called Assimilation

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15
Q

What is the process called that animals use to get nitrogen from plants/animals?

A

Assimilation

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16
Q

What is the name of the process that makes ammonia called?

A

Ammonification

17
Q

What is the organism that turns Nitrates into Nitrogen Gas again and what is this process called?

A

Bacteria and the process is called Denitrification.

18
Q

What is a Hypothesis?

A

A prediction that can be tested. Written as an “If__ Then__” statement.

19
Q

What is an Independent Variable? (IV)

A

A factor changed by the experimenter in the experiment. (“I” the scientist changed it)

20
Q

What is a Dependent Variable? (DV)

A

A factor that responds to the IV/change being made.

21
Q

What is a EED?

A

A summary of the plan for the experiment.

22
Q

What is a Constant?

A

All factors that remain the same in an experiment.

23
Q

What are the levels of IV?

A

Changes that are made in the IV

24
Q

What is the Control?

A

Standard of comparison in an experiment. (The one that experiences no changes.)

25
What are Trials?
They are the number of times an experiment is conducted.
26
What is the Title?
A statement that describes an experiment. Written as "The effect of the IV on the DV."