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The Scientific Method Flashcards | StudBud
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The Scientific Method
The Scientific Method
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1
When measuring results of an experiment, what can we do to ensure that they are as accurate as possible?
use the most suitable measuring device
use any measuring device
measure the results ourselves
get someone else to measure for us
2
Guessing measurements of scientific experiments is...
helpful because it speeds up the process of collecting results
problematic because it can produce inaccurate results
helpful when you do not have access to proper measuring equipment
problematic because it shows you do not know how to use a ruler
3
The ________ is the middle value of the data after all the numbers have been placed in increasing order.
median
average
mean
mode
4
Which of the following examples could be considered a hypothesis?
If chocolate has the most amount of sugar, what happens?
What if chocolate has more sugar than other snacks?
If sugar content of chocolate is compared to snacks, chocolate may be more
The sugar content of chocolate should be compared with other snacks
5
Factors that will affect the results of an experiments are known as...
results
hypotheses
inputs
variables
6
The scientific method involves developing a plan to test a...
hypothesis
method
conclusion
variable
7
The sample size of an experiment refers to...
the size of the subjects being tested or used
the number of subjects being tested or used
the diversity of the subjects being tested or used
an example of the experiment that is used to show people how it will work
8
What is the name given to values that are very different to the main group of data collected during the same experiment?
modes
outliers
negative results
exceptions
9
The laboratory is a safe place provided hazards are...
identified as not urgent
identified, ignored or controlled
identified and reported
anticipated, recognised and eliminated or controlled
10
If a plant’s growth rate increases at the same rate as the amount of fertiliser it is given, it is said to...
have a positive correlation
be unrelated
have a balanced correlation
have a negative correlation
11
In order to conduct a fair experiment it is important that...
all variables are removed
all variables are measured before the experiment starts
variables are identified and controlled excluding the variable being tested
all variables are recorded and measured
12
A Safety Data Sheet (SDS) might contain what kind of important information?
information about what equipment and method is needed for an experiment
graphs and charts of experimental results
information about a chemical used for an experiment, including its dangers
a survey on what can be improved about the safety of a lab
13
A hypothesis must be...
specific so it can be tested
controlled
able to answer the initial question of the experiment
changed to match results
