physical and chemical properties

observation is receiving knowledge of the outside world through our senses, or recording info using info using scinetific tools

Examples:

Physical property: colour mass

Physical change: crushing a can

chemical property: toxicity

Chemical change: Burning wood

similatires and differnces

Similatres:

complete observer and observer as participant are similar because complete observer is where the researcher is neither seen nor noticed by participants. and observer as participant is a reasearch technique in anthropology and sociology charaterized by the effort of an investigator.

Differences:

participant as observer and complete participant is different because the participant as observer is a research technique is anthropology and sociology characterized by the effort. And the complete participant is complety hidden from view while observing or when the reasrcher is in plain sight in public setting.