Unit 1 Exp Desing MG

Question 1

Testable question

Answer 1

A question able to be answered through investigation, analysis, and data collection.

Question 2

Non-testable question

Answer 2

Questions that cannot be answered by direct observation and experimentation.

Question 3

Quantitative

Answer 3

relating to, measuring, or measured by the quantity of something rather than its quality.

Question 4

procedure

Answer 4

a set of established ways of doing something, typically involving a series of steps or actions that need to be followed in specific order

Question 5

Trials

Answer 5

a test of the performance, qualities, or suitability of someone or something.

Question 6

Obeservation

Answer 6

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

Question 7

Empirical evidence

Answer 7

Information obtained by observations or experiments.

Question 8

Data

Answer 8

raw facts and figures that are collected for analysis and used to make decisions, can come in different forms.

Question 9

models in science

Answer 9

an activity that produces models representing empirical objects, phenomena, and physical processes, to make a particular part or feature of the world easier to
understand, define, quantify, visualize, or simulate.

Question 10

Variable

Answer 10

any element, feature, or factor that can vary or
change within an experiment or study.

Question 10

bias

Answer 10

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

Question 11

Hypothesis

Answer 11

an educated guess

Question 11

Analogy

Answer 11

A comparison between two things that are otherwise unlike, but have some similarities in order to explain a concept or idea.

Question 12

Prototype

Answer 12

An early sample, model, or release of a product that is built to test a concept or process.

Question 13

precision

Answer 13

the degree to which repeated
measurements under unchanged conditions show the same results

Question 14

Accuracy

Answer 14

how close a measured value is to the true or accepted value

Question 15

Scientific method

Answer 15

a process used by scientists to explore observations, answer questions, and test hypothesis.

Question 16

control

Answer 16

A standard comparison for checking or verifying the results of an experimen

Question 17

constant

Answer 17

a factor that does not change throughout the course of the experiment.

Question 18

infer

Answer 18

to draw a conclision based on evidence and reasoning rather than explicit statements.

Question 18

predict

Answer 18

to make an educated guess about the outcome of an experiment or observation based on prior knowledge

Question 18

dependent variable

Answer 18

The variable that is observed and measured to see how it’s affected by the independent variable, the effect in a cause-and-effect relationship

Question 19

independent variable

Answer 19

Intentionally changed or manipulated by the researcher to observe its effect on the dependent variable, the cause in a cause-and-effect relationship.

Question 20

manipulated variable

Answer 20

Another term for the independent variable in an experiment

Question 21

Responding variable

Answer 21

Another term for the dependent variable in an experiment

Question 22

validity

Answer 22

the extent to which a test, experiment, or measurement accurately reflects or assesses the specific concept that is intended to measure.

Question 22

sample size

Answer 22

the number of individual subjects or observations included in a study or experiment.

Question 23

trends in data

Answer 23

The general direction in which data points are moving over period of time.

Question 24

correlation

Answer 24

a statistical measure that describes the extent to which two variables are related to
each other

Question 25

variabilty

Answer 25

refers to the degree to which data points in a set different from each other and from the mean of the set

Question 26

volume

Answer 26

the amount of space that an object or substance occupies

Question 26

mass

Answer 26

the amount of matter in an object.

Question 27

weight

Answer 27

the force exerted on an object due to gravity. Unlike mass, weight can change

Question 28

precent

Answer 28

way of expressing a number as a fraction of 100.

Question 29

rate

Answer 29

Measure of how one quantity changes in relation to another quantity

Question 29

ratio

Answer 29

a way to compare two quantities by skowing the relative size of one quantity to another.

Question 30

line graph

Answer 30

A type of chart used to display information that changed over time dots connected by lines.

Question 31

bar graph

Answer 31

A type of chart that represents data with rectangular bars.

Question 32

pie graph

Answer 32

a circular chart divided into slices to illustrate numerical
proportions

Question 33

scatterplot

Answer 33

a type of graph used to display the relationship between two variables, it consists of points plotted on a Cartasian coordinate system, where each point represents an observation.

Question 34

claim

Answer 34

A claim is a statement that asserts something to be true.

Question 35

evidence

Answer 35

The information, facts, or data used to support a claim or statement.

Question 36

reason

Answer 36

An explanation for why something is the way it is or why a particular action was taken.

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

qualitative

Answer 38

.relating to, measuring, or measured by the quantity of something rather than its quality.