unit 1 list 2 experimental design

Question 1

claim

Answer 1

a statement which answers an investigation question

Question 2

constant

Answer 2

The factors that do not change during the experiment.

Question 3

evidence

Answer 3

information, facts or data supporting (or contradicting) a claim, assumption or hypothesis

Question 4

experimental procedure

Answer 4

the manner in which an experiment is carried out

Question 5

scientific model

Answer 5

a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes

Question 6

manipulated variable

Answer 6

a factor that is purposefully and specifically changed by the experimenter

Question 7

reason

Answer 7

a problem-solving process that involves critical thinking in relation to content, procedural, and epistemic knowledge

Question 8

responding

Answer 8

the factor that is measured by the scientist as a result of the effects of the manipulated variable

Question 9

scientific question

Answer 9

one where an investigation can be designed and completed to find out the answer without having to do multiple, entirely different investigations to get there

Question 10

valid experiment

Answer 10

a research method that accurately measures the effect of an independent variable on a dependent variable

Question 11

trends in data

Answer 11

describes the general change in a variable with time

Question 12

scientific theory

Answer 12

a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment