Scientific Method
What is the scientific method?
A tool to learn about the world.
What is an independent variable?
The thing you change.
What is an Observation.
Using your 5 senses or numbers to learn about things.
What is a Qualitative Observation?
An observation using your 5 senses.
Does not use numbers.
Looks at the qualities.
What is the second step of the scientific method?
Research.
2x points if you tell me why it is important.
What is the dependent variable?
The thing you measure that changes.
What is an Inference?
Using your observation to come to a conclusion.
What is a Quantitative Measurment?
Uses Numbers.
Measures Quantity.
What is a hypothesis?
An educated guess.
Independent or Dependent?
I am measuring the speed change.
Dependent
Observation or Inference?
I think he went for a run because he is breathing hard.
Inference.
Qualitative or Quantitative: I am awesome.
Qualitative.
What do we call an experiment in the 5 steps?
Testing a hypothesis
Independent or Dependent?
We are testing different cars.
Independent
Observation or Inference?
While driving, the car beside me passed me.
Observation
Qualitative or Quantitative: There are was 5mm of rain last night.
Quantitative
List the 5 steps in the proper order.
1. Observation
2. Research
3. Hypothesis
4. Testing the hypothesis
5. Conclusion
Whats the dependent? What is the independent?
We changed the wing size, and measured the time of flight.
Dependent: Time of flight.
Independent: Wing size.
Make an inference from the observation.
There is snow on the ground.
It must have snowed last night.
and many more.
Qualitative or Quantitative: there are 499 students at this school.
Now make it the opposite.
Quantitative
There are many students at this school.