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AS Marine 1 Scientific Method Flashcards | StudBud
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AS Marine 1 Scientific Method
AS Marine 1 Scientific Method
20 terms
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Appropriate for review of 1st chapter of Marine AS level
Flashcards
20 cards
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Practice quiz
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Host live
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Questions
20
Answers
1
What is the term for numerical data?
quantitative
anomolous
qualitative
confounding
2
Recording the volume of oxygen produced by a phytoplankton is ________data
skewed
biased
qualitative
quantitative
3
When graphing, the independent variable goes on which axis?
x
z
y
origin
4
If your data does not support your hypothesis, you say it __________ you hypothesis.
refutes
clashes
disagrees
non-supports
5
In the hypothesis -"Areas with higher algal growth have more dissolved O
2
" the O
2
is _____variable
dependent
independent
constant
control
6
When testing the effect of temperature on something-how many different temperatures should be used?
5
2
3
4
7
Identify the dependent variable : "As the concentration of CO2 increases, growth rate decreases"
concentration of CO2
growth rate
size
concentration
8
What is the term for variables that affect the dependent variable?
confounding
qualitative
anomolous
reliable
9
What is an explanation of an observation that can be tested?
variable
law
theory
hypothesis
10
When testing if sea slugs prefer a rocky or grass bottom, a controlled variable could be...
number of slugs
type of bottom
species of slug
temperature
11
Scientifically, which of these cannot be modified?
Hypothesis
Theory
Opinion
Law
12
When testing if sea slugs prefer a rocky or grass bottom, the independent variable would be...
type of bottom
size of slugs
temperature
number of slugs
13
When testing the effect of light intensity on algal growth, what is the dependent variable?
algal growth
temperature
species of algae
light intensity
14
The group of organisms that get the exact same treatment as the others except there is no independent variable.
dependent variable
control group
confounding variable
controlled variable
15
A hypothesis that is rigorously tested and it is continuously supported by the results is a ...
conclusion
theory
law
hypothesis
16
Which of these is written as a testable statement?
hypothesis
observation
prediction
problem
17
What is the variable being changed in an experiment called?
dependent
independent
controlled
quantitative
18
To improve reliability, you should always...
use more more precise measurements
repeat the experiment and find the mean
repeat the experiment at a different temp
use a different species
19
Which units should not be used in scientific experiments?
millilitres
inches
celsius
minutes
20
When testing the effect of salinity on number of shrimp, the independent variable is..
number of shrimp
location of shrimp
salinity of water
volume of water
