Scientific Method
The first step in the scientific method
What is a question or problem?
Name 2 types of variables
independent, dependent, or controlled
Scientific claims must be ____________
testable
claims must be supported by ________________
evidence
Scientist use ______ when analyzing evidence
logic
The last step in the scientific method
What is sharing results?
ANYTHING that can be changed in an experiment
What is a variable?
Is this a testable question:
Which ball will bounce higher if dropped from a height of 9 feet?
yes
Which is reliable source?
What a doctor tells you?
An advertisement for ozempic?
the doctor
Scientists must be ______________ about new claims.
skeptical
What should you do once you have identified a question or problem?
The thing that changes as a result of the independent variable is
the dependent variable
Is this a testable question?
Did aliens build the pyramids?
no
Give 3 pieces of evidence that shows the earth is round.
Images from outer space.
We can see that other planets are round
you can literally see the curvature of the earth
shadows during eclipse
When scientists find new evidence, they may _______ or _____________ a theory
Modify or reject
What should you do once you have RECORDED your data?
ANALYZE it
The scientist manipulates this variable
independent variable
Change this into a testable question:
Which color is best for cars?
Sample answers:
Which color of car is sold the most?
Which color of car gets in more accidents?
Name one URL extension that usually indicates a trustworthy source
.gov or .edu
Where can you find the most reliable scientific information?
Scientific Journal
Name 6 steps of the scientific method in order
Question/Problem
Research
Hypothesis
Experiment
Analyze Data
Conclusion
Share
Do students who eat breakfast get higher test scores? In this investigation, name 3 controlled variables
The test and the testing environment (when, where...)
the age or grade of students
when, where, and what they eat for breakfast
You have 30 seconds to come up with a testable question
Your teacher will decide if you are correct
What does it mean to evaluate evidence?
Judge the significance or quality - It should be logical, what is the source, can it be tested? Do multiple tests show the same results?
Logic is a ____________ ____________ skill that is really important
critical thinking