Unit 1 Exp Design RO

Question 1

Testable Question

Answer 1

Testable question are ones which can be answered through experimental inquiry and observation of the natural world.

Question 2

Non-testable Question

Answer 2

Questions that cannot be answered by direct observation or by evidence gathered through experimental inquiries

Question 3

Quantitative

Answer 3

Quantitative observations can be counted or measured. They are in the form of a number. These are also called numeric observations.

Question 4

Qualitative

Answer 4

Qualitative observations cannot be counted or measured. They describe a quality of what is being observed such as color, texture, and smell. These are also called descriptive observations.

Question 5

Observation

Answer 5

the action or process of observing something or someone carefully or in order to gain information.

Question 5

Models in science

Answer 5

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

Question 6

Trials

Answer 6

a formal examination of evidence before a judge, and typically before a jury, in order to decide guilt in a case of criminal or civil proceedings.

Question 7

Empirical evidence

Answer 7

the information obtained through observation and documentation of certain behavior and patterns or through an experiment.

Question 8

Analogy

Answer 8

a comparison between two things, typically for the purpose of explanation or clarification.

Question 9

Data

Answer 9

facts and statistics collected together for reference or analysis.

Question 10

Prototype

Question 11

Variable

Answer 11

not consistent or having a fixed pattern; liable to change.

Question 12

Hypothesis

Answer 12

a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Question 13

Precision

Answer 13

the quality, condition, or fact of being exact and accurate.

Question 13

Procedure

Answer 13

a particular way of accomplishing something or of acting

Question 14

Accuracy

Answer 14

the quality or state of being correct or precise.

Question 15

Scientific method

Answer 15

the process of objectively establishing facts through testing and experimentation.

Question 16

Control

Answer 16

the power to influence or direct people’s behavior or the course of events.

Question 17

Constant

Answer 17

occurring continuously over a period of time.

Question 18

Predict

Answer 18

to declare or indicate in advance.

Question 19

Infer

Answer 19

to derive by reasoning; conclude or judge from premises or evidence.

Question 19

Manipulated variable

Answer 19

a factor that is purposefully and specifically changed by the experimenter.

Question 20

Independent variable

Answer 20

a variable that stands alone and isn’t changed by the other variables you are trying to measure.

Question 21

Dependent variable

Answer 21

what you measure in the experiment and what is affected during the experiment.

Question 22

Responding variable

Answer 22

what changes as a result of the manipulated variable.

Question 23

Sample size

Question 24

Trends in data

Question 24

Validity

Question 24

Variability

Answer 24

lack of consistency or fixed pattern; liability to vary or change.

Question 25

Correlation

Answer 25

A relationship between two variables, such that the value of one variable can be used to generate an expectation about the value of the other.

Question 26

Mass

Answer 26

a measurement that refers to the amount of matter that makes up an object.

Question 26

Volume

Answer 26

the amount of space the object takes up.

Question 27

Weight

Answer 27

the force exerted on a body by gravity.

Question 28

Percent

Question 29

Rate

Answer 29

a change in a quantity with respect to changes in another quantity.

Question 30

Pie graph

Answer 30

A pie chart is a graphical representation technique that displays data in a circular-shaped graph.

Question 30

Bar graph

Answer 30

Bar graphs can be used to show how something changes over time or to compare items.

Question 31

Ratio

Answer 31

the relationship or comparison between two numbers of the same unit to check how bigger is one number than the other one.

Question 32

Line graph

Answer 32

a chart that shows a line joining several points or a line that shows the relation between the points.

Question 33

Scatter-plot

Answer 33

uses dots to represent values for two different numeric variables.

Question 34

Claim

Answer 34

a demand for something due or believed to be due.

Question 35

Evidence

Answer 35

the available body of facts or information indicating whether a belief or proposition is true or valid.

Question 36

Reason

Answer 36

a cause, explanation, or justification for an action or event.

Question 37

Theory

Answer 37

a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.

Question 38

Bias

Answer 38

prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.