PPE (personal protective equipment) items worn to minimize exposure to hazards that cause serious injuries and illnesses
proton A proton is a subatomic particle with a mass defined as 1 and a charge of +1 (positive charge).
qualitative It can be observed and recorded. This data type is not a number. It is collected through methods of observations, one-to-one interviews, conducting focus groups, and similar methods.
quantitative It is based on quantities obtained using a quantifiable measurement process. This is the numbers we generate in a science experiment.
reason In a CER, it involves a rule or scientific principle that describes why the evidence supports the claim.
