Unit 1 Exp Design MCA

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

Qualitative

Answer 4

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

Question 5

Trials

Answer 5

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

Question 6

Obervation

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

Analogy

Answer 10

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

Question 11

Prototype

Answer 11

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

Question 12

Hypothesis

Answer 12

an educated guess

Question 13

Variable

Answer 13

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

Question 14

Procedure

Answer 14

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 15

Precision

Answer 15

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

Question 16

Accuracy

Answer 16

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

Question 17

Scientific Method

Answer 17

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

Question 18

Control

Answer 18

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

Question 19

Constant

Answer 19

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

Question 20

Predict

Answer 20

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

Question 21

Infer

Answer 21

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

Question 22

Independent Variable

Answer 22

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

Question 23

Dependent Variable

Answer 23

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 24

Manipulated Variable

Answer 24

Another term for the independent variable in an experiment

Question 25

Responding Variable

Answer 25

Another term for the dependent variable in an experiment

Question 26

Sample Size

Answer 26

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

Question 27

Validity

Answer 27

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

Question 28

Trends in Data

Answer 28

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

Question 29

Correlation

Answer 29

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

Question 30

Variability

Answer 30

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

Question 31

Mass

Answer 31

the amount of matter in an object.

Question 32

Volume

Answer 32

the amount of space that an object or substance occupies

Question 33

Weight

Answer 33

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

Question 34

Percent

Answer 34

a way of expressing a number as a fraction of 100.

Question 35

Rate

Answer 35

Measure of how one quantity changes in relation to another quantity.

Question 36

Ratio

Answer 36

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

Question 37

Line Graph

Answer 37

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

Question 38

Bar graph

Answer 38

A type of chart that represents data with rectangular bars.

Question 39

Pie Graph

Answer 39

a circular chart divided into slices to illustrate numerical proportions

Question 40

Scatterplot

Answer 40

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 41

Claim

Answer 41

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

Question 42

Evidence

Answer 42

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

Question 43

Reason

Answer 43

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

Question 44

Theory

Answer 44

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 45

Bias

Answer 45

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