1.1 Chemistry Bi-Weekly Review

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

• data

• theory

• hypothesis

• fact

This variable in an experiment is the one being deliberately changed by the scientist.

• dependent variable

• independent variable

• data

• control group

This variable in an experiment is the one being deliberately changed by the scientist.

• dependent variable

• independent variable

• data

• control group

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

• yes

• no

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

• quantitative

• qualitative

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

• qualitative

• quantitative

A series of steps used by scientists to solve a problem or answer a question.

• scientific method

• recipe

• data collection

• metric system

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

• one

• none

• two or more

• how ever many makes sense.

The part of the experiment that remains the same for the control and experimental group.

• constants

• control

• independent

• dependent

Which statement is an inference about this picture?

• The van is tan.
• The  van ran into KFC. 
• The driver was hungry. 
• Red and white are part of the KFC building.