Quiz 9/13/23 Flashcards

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1
Q

Environment

A

the sum of all the conditions surrounding us that influence life

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2
Q

environmental science

A

field of study that looks at interactions among human systems and those found in nature

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3
Q

ecosystem

A

particular location on Earth with interacting biotic and abiotic components

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4
Q

biotic

A

living

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5
Q

abiotic

A

non-living

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6
Q

environmentalism

A

social movement that seeks to protect the environment through lobbying, activism, and education

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7
Q

environmental studies

A

field of study that includes environmental science and additional subjects such as environmental policy, economics, literature, and ethics.

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8
Q

sustainability

A

using Earth’s resources in a way that does not jeopardize future generations from engaging in similar activities

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9
Q

scientific method

A

objective method to explore the natural world, draw inferences from it, and predict the outcome of certain events, processes, or changes

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10
Q

hypothesis

A

testable conjecture about how something works

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11
Q

variable

A

any category, condition, factors, or traits that differ in the natural world/experimental situations

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12
Q

independent variable

A

a variable that is not dependent on other factors

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13
Q

dependent variable

A

a variable that depends on others

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14
Q

null hypothesis

A

a prediction that there is no difference the groups or conditions that are being comapred

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15
Q

control group

A

a group that experiences exactly these same conditions as the experimental group, except for the variable under study

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16
Q

natural impact

A

a natural event that acts as an experimental treatment in an ecosystem

17
Q

replication

A

data collection procedure of taking repeated measurements

18
Q

sample size (n)

A

the number of times a measurement is replicated in a data collection

19
Q

accuracy

A

how close a measured value is to the actual or true value

20
Q

precision

A

how close the repeated measurement of a sample are to one another

21
Q

uncertainty

A

estimate of how much a measured or calculated value differs from a true value

22
Q

inductive reasoning

A

process of making general statements from specific facts or examples

23
Q

deductive reasoning

A

process of applying a general statement to specific facts or situations

24
Q

theory

A

a hypothesis that has been repeatedly tested and confirmed by multiple groups of researchers and has reached wide acceptance

25
Q

first law of thermodynamics

A

a theory with no known exception that states that energy is neither created nor destroyed but it can change form to another

26
Q

second law of thermodynamics

A

a theory with no known exception that states that when energy is transformed, the quantity of energy remains the same, but its ability to do work diminishes

27
Q

The big ideas

A

1) energy transfer
2) interactions between Earth’s system
3) Interactions between different species and the environment
4) Sustainability

28
Q

Systems within a system

A

boundaries of an environmental system can be defined by a researches point of view (or personal)

29
Q

general examples of human influence

A

-convert land from natural state
-change chemistry of water, air, soils (fertilizers)
-change species population positively and negatively
-technology improvements
-climate change
-population growth

30
Q

global pandemic and environmental science

A

-Covid-19 is a zoonotic disease
zoonotic disease: spreads from animals to humans and vice versa
-Covid-19 actually decreased birth rates (rate of births per thousand people)
-Pandemic educated us on how humans impact the natural environment

A) less materials used during the pandemic
B) lower CO2 emission mitigating climate change
C) return of wildlife to national parks

31
Q

interdisciplinary

A

Environmental science is an interdisciplinary study
interdisciplinary: relating to one or more branches of knowledge

32
Q

Q.O.D: according to the reading you completed, how many years have humans and our direct ancestors lived on earth?

A

A) 2.5 million years