Petroski - Scientific Method Vocab

A plan for asking questions and testing possible answers.

• Observation

• Investigation

• Scientific Method

• Experiment

The act of noticing or perceiving in the natural world using the 5 senses.

• Investigation

• Hypothesis

• Experiment

• Observation

An organized procedure for testing a hypothesis.

• experiment

• ingestigation

• scientific method

• observation

The scientific method is a set of investigation procedures used by scientists.

Place the first 5 steps of the process in order.

• Gather and Analyze Data

• Design an Experiment

• Form a Hypothesis

• Ask Questions

• Make Observations

Answer explanation

The final step of the scientific process is, "Make a conclusion based on ___________"

• guessing

• design

• data

• observation

A ______________ is an educated guess or testable prediction base on observation.

• Experiment

• Investigation

• Hypothesis

• Observation

Match the following variables with their definitions.

• Control

• A standard for comparison that is used across an experiment.

• Constant

• A factor that does not change in an experiment.

• Dependent Variable

• A factor that is adjusted by the experimenter.

• Independent Variable

• A factor whose value depends on the independent variable.

The X axis represents the ​ (a)   variable and the Y axis represents the ​ (b)   variable.

• independent
• dependent

The independent variable is the ​ (a)   and the dependent variable is the ​ (b)   .

• cause
• effect
• constant
• control

The mass per unit of volume of material is called the ______________.

• thickness

• volume

• length

• density