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SCIENTIFIC METHOD
SCIENTIFIC METHOD
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Year 9 Science - HSHS
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
A factor in an experiment that can change is a(n)____.
hypothesis
observation
control
variable
2
When you decide whether or not the data support the original hypothesis, you are
making an inference.
drawing a conclusion.
making an observation.
posing a question.
3
Which skill are you using when you use your five senses to gather information?
designing experiments
posing questions
developing hypotheses
observing
4
Facts, figures, and other evidence learned through observation are called
experiments.
data.
questions.
variables.
5
The average size of the avocado grown by my tree is continuous data:
FALSE
TRUE
6
Friends return from a canoe trip and they are dripping wet. What inference might you make?
Their clothes are wet.
They are skillful at canoeing.
Their canoe tipped over.
They are tired.
7
After scientists analyse the results of their experiments, they ____.
choose the variables they want to test
form hypotheses
communicate those results to other people
include a control
8
In an experiment, the one variable that is changed is called the
independent variable
controlled variable
experimental variable
dependent variable
9
Which of the following steps to solve a problem must be completed first?
testing a hypothesis
forming a hypothesis
analysing data
recognizing and identifying the problem
10
A good way to
organise
and
record
your results and observations is ____.
with a balance or spring scale
by having a hypothesis before you begin your experiment
in a data table
by using a calculator
11
Which of these is NOT discrete data:
How many students are absent from school each day
Height of a sunflower as measured each day
How many widgets a business sells each day
The number of people who run a red light during rush hour
12
A prediction or statement that can be tested is a(n)____.
conclusion
observation
hypothesis
control
13
One way to reduce bias in an experiment is to ____.
make sure that the results come out the way you want them
ask only girls a question about a school topic
take numerical measurements of the results
use descriptive phrases as your data
14
An established pattern or relationship based on a large amount of experimental data is a:
law.
theory.
educated guess.
hypothesis.
15
Discrete data is from qualities that can be
metres
counted
BOTH
measured
16
Which of these is NOT continuous data:
The volume of water in a swimming pool each day
A person's weight on each birthday
Cars finished in a factory each day
A person's height each year
17
What characteristic must be true of a good hypothesis?
It must have been observed many times.
It must be testable by observation or experiment.
It must be correct.
It must involve quantitative data.
18
Examples of the skills used in science include ____ and ____.
observations, measurements
clues, detectives
facts, inferences
cholera, E. coli outbreaks
19
Which of the following steps to solve a problem is completed last?
analysing data
drawing conclusions
testing a hypothesis
recognizing and identifying the problem
20
Continuous data is from qualities that can be
counted
measured
BOTH
21
The first step of the scientific method involves:
forming a hypothesis.
predicting the result of an experiment.
performing an experiment.
making observations.
22
Daily rainfall is an example of what sort of data:
discrete
continuous
23
Which question would be the best high level scientific question?
How many giraffes live in Africa?
Does the addition of salt affect the boiling point of water?
How long ago did dinosaurs live on the Earth?
Who made the first microscope?
