Unit 1 List 2 Experimental Design

Question 1

Claim

Answer 1

based on testing explanations against observations of the natural world and rejecting the ones that fail the test

Question 2

Constant

Answer 2

the proportion of a substance contained in an alloy, mixture, etc

Question 3

Evidence

Answer 3

information collected via rigorous scientific methods that changes their belief in the truth of factual claims of the first to the fourth kind.

Question 4

Experimental bias

Answer 4

the unintentional influence of the experimenter’s expectations, beliefs, or preconceived notions on the outcome of a study or research experiment.

Question 5

Experimental control

Answer 5

an element that remains unchanged or unaffected by other variables

Question 6

Experimental procedure

Answer 6

Experimental science is the search for cause-and-effect relationships in nature.

Question 7

Hypothesis

Answer 7

A statement about a specific research question, and it outlines the expected result of the experiment.

Question 8

Manipulated variable

Answer 8

the factor that an experimenter intentionally changes or alters during an experiment to observe its effect on another variable,

Question 9

Qualitative data

Answer 9

qualitative data is descriptive, expressed in terms of language rather than numerical values.

Question 10

Quantitative data

Answer 10

any information that can be quantified — that is, numbers

Question 11

Reason

Answer 11

the ability to recognize and understand the scientific method, concepts, processes, and applications used in the pursuit of knowledge.

Question 12

Responding variable

Answer 12

the part of an experiment that a scientists measures and observes closely for a change or a response.

Question 13

Scientific method

Answer 13

the process of objectively establishing facts through testing and experimentation.

Question 14

Scientific model

Answer 14

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

Question 15

Scientific question

Answer 15

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 16

Scientific theory

Answer 16

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

Question 17

Trends in data

Answer 17

the general direction that something moves or changes over a long period

Question 18

Valid experiment

Answer 18

a measure of how correct the results of an experiment are