Show:
Scientific Method
Observation vs. Inference
Qualitative vs. Quantitative
100

An educated guess based on background knowledge

Hypothesis.

100
What is an observation?
Using one or more of your senses to gather information
100
What is a qualitative observation?
An observation based on smell, sight, touch, etc. Does not include numbers.
200
Which variable will you adjust during an experiment, but it won't be changed by other factors in the experiment?
Independent variable
200
What is an inference?
An assumption or a conclusion that is made based on an observation
200
What is a quantitative observation?
An observation that includes numbers, something you counted or measured.
300

The first step in a scientific investigation.

Ask a question.

300
Observation or Inference: The boy didn't eat his sandwich because he isn't hungry.
Inference
300
Qualitative or quantitative: The cat had black and gray stripes.
Qualitative
400
Create a hypothesis for the following question: Does the amount of time spent studying for a test affect a person's score?
If.... then....
400
Observation or Inference: She is raising her hand, so she must know the answer.
Inference
400
Qualitative or Quantitative: There are 26 tomatoes growing in the garden.
Quantitative
500
What is the independent variable in the following question: Does the brand of basketball affect how high it will bounce?
Brand of basketball
500
Observation or inference: The room smelled like soup cooking.
Observation
500
Qualitative or Quantitative: It smells like fresh cut grass outside.
Qualitative