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Preliminary Biology - Skills in Science Flashcards | StudBud
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Preliminary Biology - Skills in Science
Preliminary Biology - Skills in Science
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Quiz- skills in science: graphs, scientific method, variables, data collection
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Questions
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Answers
1
Writing a
method
(or procedure) involves...
Predicting the likely results
Specifying materials, equipment and steps in a set order
Using numbered 'steps' which are easy to follow and complete
Specifying the equipment to be used and units of measurement
2
A
risk assessment
requires...
Taking actions to control risks, such as using PPE
Identification of risks in the method, materials & surrounds
All of these
Assessment of the severity and likelihood of the risks posed
3
In this graph identify the
independent
and
dependent
variables (in order)
Time (weeks); Amount of fertiliser (g)
height of plant (cm); Amount of fertiliser (g)
Amount of fertiliser (g); height of plant (cm)
Amount of fertiliser (g); Time (weeks),
4
Scientific method
involves the following:
Identifying the dependent and independent variables
Designing an investigation to test a hypothesis
Asking questions and forming a hypothesis
All of these
5
Results
can be recorded and displayed...
Any of these ways, depending on the data gathered
In a table
As diagrammatic representations of what is observed
In a graph
6
An
independent variable
...
Is valid and reliable data
Changes as a result of changes to another variable
Is the variable that is deliberately changed
Is the sample to which all the other samples are compared
7
For a test to be '
fair
' the following is essential...
Only one thing is measured
All of these
Everything else is kept the same
Only one thing is changed
8
Which type of graph would you use to present data on the relationship between pH and enzymes?
A bar graph showing discrete (categorical) data
A histogram showing grouped data
A line graph showing continuous data
This type of data does not graph well
9
In this image 17 green limpets are attached to the rock. This is what type of
observation
?
A quantitative observation
An incidental observation
A qualitative observation
A sensory observation
10
Scientific Method
is important in science because...
It provides structure to the investigating process
It ensures scientific investigators are honest about results
It gives proof of the objective truth
It is evidence based and acquires knowledge of a situation
11
Results need to be
evaluated
. This statement is...
True, but only if the results show a trend
False, as long as the graph can be interpreted.
False, because you need to gather lots of data first
True, and results compared with the hypothesis
12
A
Scientific Report
starts with an
Aim
and
Hypothesis
and ends with a
Conclusion
.
What else?
Materials, method, risk assessment, results and discussion
Materials, method and results
Method, risk assessment and discussion
Procedure, method and results
13
Secondary source data
is...
Less reliable than primary source data
Data that has been tested thoroughly
Data provided from another source, such as a journal or book
Old data, so probably out of date
14
A more appropriate way to write this hypothesis is..
Fig plants do best when you talk to them
Plants do best if you water them less often
Fig plants do best with fertiliser and weekly watering
If plants are watered once a week, then they will grow more
15
An
hypothesis
is
Made up of many variables
A predictive statement that can be tested
A question
NOT based on observation
16
In this hypothesis, a
controlled
variable would be...
How much the fig plants grow
The type of soil the fig plants are in
The frequency of watering
There is no controlled variable in this experiment
17
The
dependent variable
...
Changes as a result of changes to the independent variable
Is the variable that is deliberately changed
Is the explanation of a body of experimental evidence
Is deliberately held constant
18
Read the hypothesis in the image. The
independent
variable is...
The frequency of watering
The presence or absence of water
The effect of water on the plant
The type of plant
19
Read the hypothesis in the image. The
dependent
variable is...
The type of plants
The frequency of watering the plants
How well the plants grow
The amount of water given to the plants
