a potentiated reaction means that

one substance made another more toxic

an early example of a correlation study was

john snow's map of cholera victims

when you add up the data and divide by the number of them you get

two of these answers are correct

good experiments have two things in common. they are:

a single variable and a control

spreads throughout the organism

does not get the experimental treatment

the probability of an unwanted outcome

a reliable association between two or more events

the relative arrangement of members in a population

statistics is best described by

collecting and classifying numerical data

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env sci chapter 2 n stuff

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Questions 35

Answers

1
when you flip a coin you have a 50% chance of getting a "tails". That's called
repeatability
reliability
statistics
probability
2
when rolling six sided die, what is the chance of getting ANY doubles?
1/12
1/2
1/6
1/36
3
to extend the abilities of your senses, use...
all of these answers are correct
tools
physics
hypothesizing
4
the decision to develop your own oil field revolved around your
resilience
constituion
mojo
values
5
a hypothesis is
an explanation
the same as a conclusion
a total guess
a testable explanation
6
a potentiated reaction means that
one substance made another more toxic
the reaction occurs spontaneously
something has potential energy
one poison is involved
7
an early example of a correlation study was
the students at ashuelot high school
john snow's map of cholera victims
donald trump's clinton data
jane goodall's work with chimps
8
when you add up the data and divide by the number of them you get
two of these answers are correct
the average
the baseline
the mean
9
biological magnification
can make a predator contain lots of toxins
concentrates poisons as you move up food webs
all these are correct
is a concern for humans
10
true or false: mathematical models always show numbers as their end result
true
false
11
the latin root word "scire", which the word science comes from, means
to know
all these answers are correct
to observe
to guess
12
some species of coral can live for
50 years
100 years
300 years
200 years
13
what is the biggest source of oil pollution?
spills
runoff from land
air pollution
natural seeps
14
a known carcinogen and poison from antiquity is
chlordane
arsenic
chlorinated hydrocarbons
dieldrin
15
The two most important tiny soils organisms are
fungi and earthworms
mites and grubs
bacteria and ants
bacteria and fungi
16
an example of a graphical model is
a road map
a map showing how a system works
one that uses equations
a 3 d model of dna
17
good experiments have two things in common. they are:
an observation and a hypothesis
a single variable and a control
a few variables and a control
a hypothesis and a conclusion
18
a systemic pesticide
is the same as "gunk"
is never used anymore
is only used on lands in other countries
spreads throughout the organism
19
a normal distribution is characterized by a
a bell shaped curve
curve with two peaks
a slanted, linear slope
a j - shaped curve
20
a flow chart diagram is an example of a
conceptual model
graphical model
physical model
mathematical model
21
the main problem in the everglades was
too much water
too little water
too many plants
noise pollution
22
a control group
is always the main source of data
gets the experimental treatment
is the manipulated variable
does not get the experimental treatment
23
if you flip a coin three times, what is the probability you will get "heads" every time?
150%
1/8
1/2
1/4
24
Organic phosphate insecticides work by destroying the
digestive system
kidneys
lymph tissue
nervous sytem
25
risk is
tow of these answers are correct
about low tolerance for things
the probability of an unwanted outcome
non existent for high school kids
26
true or false: poisons can travel through groundwater
true
false
27
a correlation is
a conclusion
an outcome
an event that's unusual
a reliable association between two or more events
28
scientists make most discoveries using
the hypothesizing method
the observation method
the experimental method
the dark matter experiment
29
an example of a physical model is
an abstract idea
a road map
a graph
a 3-d model of dna
30
This type of tissue works largely by the polar nature of water and capillary action
phloem
xylem
hydrophilic
vernacular
31
a distribution is
a series; i.e. 1,2,3..etc.
a data chart full of random numbers
a collection of items
the relative arrangement of members in a population
32
An example of a common resource is
your lunch
your house
your pen
the cafeteria
33
statistics is best described by
collecting data in picture form
dividing, multiplication and subtraction
collecting and classifying numerical data
making qualitative observations
34
the everglades restoration plan cost around
6 billion dollars
8 billion dollars
7 billion dollars
9 billion dollars
35
the best kind of data is
quantitative
qualitative
all of these answers are correct
manipulated

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