Unit 1 Exam Practice

A well-tested explanation that explains a wide-range of observation is a:

• Theory

• Law

• Principle

• Hypothesis

Any factor in an experiment that changes as a direct result of changes in other factors is known as a(n):

• Dependent Variable

• Direct Variable

• Control

• Independent Variable

The first step in the engineering design process:

• Identify a need

• Conduct an experiment

• File for a patent

• Build a prototype

A testable question or prediction that forms the basis for a scientific investigation is called a(n):

• Scientific Hypothesis

• Scientific Variable

• Scientific Theory

• Control

When graphing the dependent variable goes on the:

• X Axis

• Y Axis

• Below the Graph

• The title

A procedure designed to answer or test a hypothesis:

• Variable

• Experiment

• Observation

• Theory

The application of science for practical purposes:

• Physics

• Trade-Off

• Research

• Technology

A table used to compare the features or multiple items in determining the best technology to use for a purpose:

• Bar Graph

• Data Table

• Pugh Chart

• Life-Cycle Analysis

The type of graph that best shows a relationship between two variables or a trend in something over time:

• Line Graph

• Pie Chart

• Bar Graph

• Model Graph

All scientific facts, laws, and theories are based on:

• What makes sense to scientists

• Information from books

• Personal beliefs of scientists

• Empirical Evidence gathered from observations