Question

practice it!
which of the following do scientists develop to simplify or explain what happened in an experiment or an investigation?
procedure
hypothesis
model
law

Explanation:

• procedure：指实验的操作流程，并非用于解释实验结果
• hypothesis：是实验前提出的假设，用于预测结果而非解释已发生的实验现象
• model：是科学家为简化或解释实验、调查中已发生的现象所构建的简化表征
• law：是对自然现象的概括性描述，并非针对特定实验结果的解释

Answer:

model