Physical Science Final Exam

A testable prediction based on observations is a(n)

• hypothesis
• experiment
• exercise
• variable

The type of graph best used to display a fixed quantity broken down into percentages is:

• line graph
• pie graph
• bar graph
• data table

This changes because of the independent variable. It is usually what we measure or count

• control
• contant
• dependent variable
• independent variable

On a graph, the variable on the horizontal (x) axis is the____

• variable with the largest range
• variable with the smallest range
• independent variable
• dependent variable

In an experiment, we leave one thing “normal” to compare the experimental results to. What is this called?

• Control
• Constant
• Independent Variable
• Dependent Variable

An idea, event, or object that can be used to represent something you are trying to explain is a

• model
• constant
• hypothesis
• variable

An organized process used to gather observations and test a hypothesis is a(n) ______.

• Problem
• Experiment
• Exercise
• Constant

______ occurs when a scientist's conclusions are influenced by personal or financial gain. This is a negative thing that scientists try to avoid.

• conclusion
• bias
• error
• fallacy

A measurement standard is:

• a system of prefixes
• the distance between two points
• an exact quantity that people agree to use for comparison
• the interval between two events

A unit of measurement that is obtained by combining other units is a ____________ unit.

• standard
• metric
• base
• derived