Unit 1 Exp Design GCH

Question 1

testable question

Answer 1

can be answered through experimental inquiry and observation of the natural world

Question 2

Quantitative

Answer 2

quantity

Question 3

Non-testable question

Answer 3

a question in which you cannot test

Question 4

Qualitative

Answer 4

quality

Question 5

Trials

Answer 5

test runs

Question 6

Observation

Answer 6

watching something to gain info

Question 7

Empirical evidence

Answer 7

information obtained through observation and documentation

Question 8

Data

Answer 8

facts and statistics collected together for reference or analysis.

Question 9

Model is science

Answer 9

a physical repersentation of events

Question 10

Analogy

Answer 10

a comparison between two things,

Question 11

prototype

Answer 11

a first, typical or preliminary model of something,

Question 12

Hypothesis

Answer 12

a guess or idea

Question 13

Variable

Answer 13

not consistent

Question 14

Procedure

Answer 14

an established or official way of doing something.

Question 15

Precision

Answer 15

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

Question 16

Accuracy

Answer 16

the quality or state of being correct or precise.

Question 17

Scientific method

Answer 17

a method of procedure that has characterized natural science

Question 18

Control

Answer 18

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

Question 19

Constant

Answer 19

always

Question 20

Predict

Answer 20

say or estimate that something will happen

Question 21

Infer

Answer 21

deduce or conclude

Question 22

Independent variable

Answer 22

a variable (often denoted by x ) whose variation does not depend on that of another

Question 23

Dependent variable

Answer 23

a variable (often denoted by y ) whose value depends on that of another.

Question 24

Manipulated variable

Answer 24

A manipulated variable is the independent variable in an experiment

Question 25

Responding variable

Answer 25

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

Question 26

Sample size

Answer 26

the act of choosing the number of observations or replicates to include in a statistical sample.

Question 27

Validity

Answer 27

the quality of being logically or factually sound; soundness or cogency.

Question 28

Trends in data

Answer 28

the general change in a variable with time

Question 29

Correlation

Answer 29

a mutual or reciprocal relationship between two or more things

Question 30

Variability

Answer 30

the tendency to shift or change of being “variable.”

Question 31

Mass

Answer 31

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

Question 32

Volume

Answer 32

the amount of space that a substance or object occupies,

Question 33

Weight

Answer 33

relative heaviness

Question 34

Percent

Answer 34

by a specified amount in or for every hundred.

Question 35

Rate

Answer 35

a measure, quantity, or frequency, typically one measured against some other quantity or measure.

Question 36

Ratio

Answer 36

the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.

Question 37

Line graph

Answer 37

a graph that uses lines to connect individual data point

Question 38

Bar graph

Answer 38

a diagram in which the numerical values of variables are represented by the height or length of lines

Question 39

Pie graph

Answer 39

a type of graph representing data in a circular form,

Question 40

scatter plot

Answer 40

uses dots to represent values for two different numeric variables

Question 41

Claim

Answer 41

state or assert that something is the case, typically without providing evidence or proof

Question 42

Evidence

Answer 42

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

Question 43

Reason

Answer 43

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

Question 44

Theory

Answer 44

a plausible or scientifically acceptable general principle or body of principles offered to explain phenomena

Question 45

bias

Answer 45

a personal and often unreasoned judgment for or against one side in a dispute