Page 5-15 vocab 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 outcomes 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

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 compared

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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 measurements 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

the 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 from one 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.