Quiz #1 Practice

A group of parts that work together to create an outcome

• system

• pattern

• model

• feedback mechanism

Which of the following are characteristics of a good model?

• The model explains how a complex phenomena arises from simpler phenomena.

• The model can compare poorly understood aspects of the real world to a well-understood aspect.

• The model is testable and generates predictions that reflect what is happening in reality.

• All the responses are correct.

• None of the responses are correct.

A _____ is a group of parts that work together to preform a function.

• model

• system

• input

• output

• feedback

A _____ is something that meteorologists use to predict weather patterns which they cannot observe directly

• model

• system

• input

• output

• feedback

What is the function of ATP in living things?

• provides energy for cells
• stores genetic information
• provides structure in the nucleus

The act of noticing and describing events or processes in a careful, orderly way

• Observation

• Inference

• Hypothesis

• Controlled Experiment

A logical interpretation based on what scientists already know

• Observation

• Inference

• Hypothesis

• Controlled Experiment

A tentative scientific explanation that can be tested by further observation or by experimentation

• Observation

• Inference

• Hypothesis

• Controlled Experiment

The variable that is deliberately changed in an experiment

• Independent Variable

• Dependent Variable

• Control Group

• Data

The variable that is observed and that changes in response to the independent variable

• Independent Variable

• Dependent Variable

• Control Group

• Data