Scientific Method & Experimental Design Quiz

A testable prediction about a scientific investigation

• Question
• Observation
• Hypothesis
• Experiment

A problem for discussion or investigation

• Prediction
• Compare
• Classify
• Question

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

Tags

NGSS.HS-LS1-3

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

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

• quantitative
• qualitative

Tags

NGSS.MS-PS1-2

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

• qualitative
• quantitative

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

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs