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Ch2 Tools of Environmental Science Flashcards | StudBud
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Ch2 Tools of Environmental Science
Ch2 Tools of Environmental Science
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High School Science #environmentalsciencehighschool
Flashcards
21 cards
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Questions
21
Answers
1
The group in an experiment that receives the experimental treatment
experimental group
control group
prediction
dependent variable
2
the group in an experiment that does not receive the experimental treatment
prediction
conclusion
control group
experimental group
3
When you examine a
scientific value
in making an environmental decision, you _____________.
think about what will promote learning
use your understanding of the natural world
consider what is right or wrong
consider what will maintain human health
4
3-D model you can touch
mathematical model
physical model
conceptual model
graphical model
5
What is the first step in an environmental decision-making model?
make a decision
gather information
explore consequences
consider values
6
___________ allows scientists to expand the boundaries of what we know.
correlation
imagination
replication
intellectual honesty
7
Which is NOT a description of a good hypothesis?
a testable explanation of an observation
it makes logical sense
a guess based on previous experiments
follows from what is already known about a situation
8
An essential feature of every good experiment is that it should _______________.
graph data
use a control
test a single variable
Both use a control AND test a single variable
9
information gathered during an experiment
prediction
hyposthesis
conclusion
data
10
verbal or graphical explanation for how a system works or is organized
mathematical model
physical model
graphical model
conceptual model
11
The experimental method includes the following steps:
observe, hypothesize, predict, experiment, communicate
draw conclusion, be open, and communicate results
be curious, imagine, see patterns, observe, predict
be skeptical, organize data, and analyze data
12
When it is NOT possible to conduct an experiment, scientists test their predictions by ______.
using a control
remaining skeptical
testing a variable
examining correlation
13
A logical statement about what will happen in an experiment
independent variable
prediction
dependent variable
hypothesis
14
principles or standards that you consider to be important
probability
risk
statistics
values
15
collection and classification of data
statistics
conceptual model
data
graphical model
16
procedure designed to test a hypothesis
data
experiment
statistics
correlation method
17
the probability of an unwanted outcome
statistics
risk
probability
values
18
What will add to our understanding of the natural world in making an environmental decision: __
scientific value
environmental value
ethical/moral value
aesthetic value
19
the size of a sample population should be large enough to _____________
give an accurate estimate of the whole population
reflect the probablility of an unwanted outcome
make it so you can't handle the amount of data you collect
closely resemble the system they represent
20
A road map is an example of a _________________
graphical model
conceptual model
physical model
mathematical model
21
Which of the following models would you use to represent the shape of Earth beneath the Ocean?
Graphical
Physical
Mathematical
Conceptual
