Week 1 Vocabulary Quiz

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

• dependent variable
• independent variable
• data
• control group

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

In order to be accepted, a scientific theory must be

•  widely tested and supported by extensive data
•  based on the results of a single experiment
•  controversial and cause debate
•  in line with all previous historical ideas

Which type of data involves numbers that are obtained by counting or measuring?

• quantitative
• qualitative

Which type of data involves descriptions that cannot be counted or measured?

• qualitative
• quantitative

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. The fact that we kept the light, plant, and water the same in each experiment are examples of ____________.

• an dependent variable
• an independent variable
• a control
• constants

Mr. Wells is probably not in school today because his is sick. Is this a Qualitative Observation, Quantitative Observation, or an Inference

• Qualitative Observation

• Quantitative Observation

• Inference

A testable prediction about a scientific investigation is a(n)

• Question
• Observation
• Hypothesis
• Experiment

Information you obtain through your senses, such as touch, sound and sight.

• observation
• hypothesis
• question
• conclusion

How many independent variables should you have in an experiment?

• two

• as many as possible

• four

• one