
The Scientific Method
Presentation
•
Science
•
8th Grade
•
Easy
+6
Standards-aligned
Jawara Senghor
Used 58+ times
FREE Resource
10 Slides • 6 Questions
1
The Scientific Method
The "How To" manual for doing Science.
2
The "Scientific Method" is a process or set of steps taken to produce reliable results to answer a specific question in a scientific investigation.
What is the Scientific Method?
3
Ask a question - The question you ask should also be measurable and answerable through experimentation.
Perform research - Conduct preliminary background research to prepare yourself for the experiment.
Establish a hypothesis - Make a prediction that you can measure through experimentation and research.
Test your hypothesis - Your experiment is a way to quantifiably test your predictions and should be able to be repeated by another scientist.
Steps of the Scientific Method
4
Make an observation - Collect and record data and observations during the experiment. After completing the experiment, repeat it to ensure accurate results.
Analyze results/draw a conclusion - Take your findings and analyze them to determine if they support your hypothesis.
Present the findings - Usually done in a lab report, display all information about experiment. This is done to other scientists can review and replicate your scientific investigation.
Steps of the Scientific Method
5
Identify Variables
Form a Hypothesis
Recording Data
Graphing Data
The following factors are important to following scientific method
6
The best experiments begin with correctly identifying variables. There are 3 types of variables.
~ Independent or Manipulated variable: The variable that is changed
~ Dependent or Responding variable: The variable that is measured
~ Controls or constants: All of the other variables that are kept the same
Identify variables
7
A strong hypothesis is a testable prediction based on a well-researched question. A great "hypothesis hack" is to clearly identify your variables and add them to your hypothesis. The independent variable follows the "if" and the dependent variable would follow the "then".
Form a hypothesis
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There are different types of data an experimenter can collect. For a scientific investigation, quantitative data is most likely to yield a reliable result. By the way, the exact data you need is in your hypothesis.
Record data
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There are different graphs you can use to represent your data; like pie charts, bar graphs and line graphs . You also need to know where data goes on your graph. The independent variable is placed on the x-axis, while the dependent variable is placed on the y-axis.
Graph your data
10
The Scientific Method is a dynamic, open-ended process to investigate questions. The basic process involves making an observation, forming a hypothesis, making a prediction, conducting an experiment and finally analyzing the results.
Summary...
11
Multiple Choice
scientific method
recipe
data collection
metric system
12
Multiple Choice
Make observation
Form a theory
Collect data
Form a hypothesis
13
Multiple Choice
dependent variable
independent variable
data
control group
14
Multiple Choice
data
theory
hypothesis
fact
15
Multiple Choice
Why do scientists use graphs?
They are pretty.
It makes an extra step.
They show trends.
They like to use them.
16
Multiple Choice
X
Y
The Scientific Method
The "How To" manual for doing Science.
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