Scientific Method

The factors in an experiment that can be changed. 

• variables
• quantitative data
• hypothesis
• steps

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

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

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.
• I don't know.

Which statement is an inference about this picture?

• The van is tan.
• The  van ran into KFC. 
• The driver was hungry. 
• An ambulance may be on the way. 

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid