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WorksheetsAS Marine Scientific Method
Total questions: 25
Worksheet time: 15mins
A hypothesis is an (a) guess
How many annual hurricanes developed in 1970?
4
5
6
3
What would be the correct type of graph to make for this chart?
Line graph
Bar graph
histogram
diagram
What term describes the black dashed line going through the middle of the graph?
Line of Precision
Average
Median
Line of Best Fit
What is the dependent variable in a experiment?
The variable that is being measured
The variable that stays the same
The variable that is being tested
The variable that covers the safety of the experiment
What does M stand for in (IDCGOMARES)?
Model
Measure
Median
Make
The set of procedures that scientists use to learn about the world is called the...
scientific theory
scientific method
scientific materials
scientific experiment
For an idea or a guess to be considered a hypothesis, it must be able to be tested with...
observations
an experiment
conclusions
research
Also called the manipulated variable, it is the one thing the scientist purposely changes to test what will happen:
independent variable
controlled variable
dependent variable
induction variable
What does a good scientific question need to have?
It needs to have an independent variable
It needs to have a dependent variable
It need to be measurable
All of these are needed in a good scientific question
A hypothesis exhaustively supported by experimental data becomes a
Law
Conclusion
Theory
Belief
What are the factors that are kept the same in an experiment?
data
conclusions
controls
observations
Calculate the mean change in biomass of spawning adult mackerel between 2002 and 2011.
increase of 0.14mt per year
decrease of 0.14mt per year
increase of 0.16mt per year
decrease of 0.16mt per year
How many Groups should you have in your experiment?
3
4
5
6
How many times should you repeat your experiment?
1
2
3
as many times as possible
Which factor is NOT a control of an experiment about plant growth?
temperature
light
pH level
distance from light source
Which of the following is a discontinuous factor?
species of plankton
humidity
light intensity
concentration of oxygen
What is a piece of data that doesn't fit with the rest?
Hint: ignored when calculating mean
buffer
anomaly
significant figure
irregularity
When asked to describe the changes, you should talk about...
Choose 3
Increase/decrease
overall trend
quantitative data
explain why
What is the correct percent change formula?
Final - Initial
------------ X 100%
Initial
Initial - Final
------------ X 100%
Initial
Final - Initial
------------ X 100%
Final
Initial - Initial
------------ X 100%
Final
What is the correct formula for rate of change?
Initial - Final
------------- X 100%
Initial
Final - Initial
------------- X 100%
Initial
chnage
----------------
time
time
----------------
change
What tool is used to measure pH?
Indicator Strips
Thermometer
Grand Cylinder
Stopwatch
measurements close to each other is defined as...
exact
precision
accuracy
clarity
measurements close to true value are defined as...
accuracy
percision
exact
clarity
