Observation vs. inference
Qualitative Observation
Qualitative observations use your senses to observe the results. (Sight, smell, touch, taste and hear.)
Prediction
A forecast of something in the future.
Quantitative Observation
Quantitative observations are made with instruments such as rulers, balances, graduated cylinders, beakers, and thermometers. These results are measurable.
Example of inference
He must be hurt.
Example of inference
It will rain soon.
Inference
Making a conclusion from an observation or evidence.
Example of observation
The boy is crying.
Example of observation
The sky is very dark and cloudy.
Observation
Using your five senses to obtain information (touch, hearing, vision, smell, and taste.)