Chapter 1 and 2 Practice Quiz CHEM 1114

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

Tags

NGSS.HS-PS1-2

An organized procedure used by scientists to test a hypothesis. 

• scientific method
• experiment
• data collection
• metric system

The factors in an experiment that can be changed. 

• variables
• quantitative data
• hypothesis
• steps

In a controlled experiment, how many variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 

• experimental group
• control group
• data
• variables

The factor that will happen because of the change. 

• dependent variable 
• independent variable
• controlled variabe
• not this one.

Tags

NGSS.HS-PS1-5

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

• quantitative
• qualitative

Tags

NGSS.HS-ESS2-6

NGSS.HS-PS1-7

NGSS.HS-PS2-2

There are two types of data. Which type of data involves descriptions that cannot be counted or measured?

• quantitative
• qualitative

Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

A broad and comprehensive statement of what is thought to be true; it is supported by much evidence.

• hypothesis
• theory
• guess
• fact