Question

which three are types of scientific research?
applied
commercial
descriptive
factual
experimental

1. choose the best answer.

a ______ is used to explain how a chemical should be stored and handled.
poster
hazmat sign
safety label
msds

Explanation:

• Question 22:
• Applied research aims to solve practical problems.
• Descriptive research describes phenomena.
• Experimental research tests hypotheses through manipulation.
• Commercial is more business - related, not a core scientific research type. Factual is too broad and not a standard scientific research category like the others.
• Question 23:
• A poster is a general display.
• A hazmat sign just indicates hazardous materials briefly.
• A safety label gives some basic safety info but not comprehensive storage and handling details.
• An MSDS (Material Safety Data Sheet) provides detailed information on how a chemical should be stored and handled, including hazards, precautions, etc.

Answer:

1. A. applied, C. descriptive, E. experimental
2. D. MSDS