Unit 1 Exp Design N.A

Question 1

Testable question

Answer 1

A question that can be answered through experimental inquiry.

Question 2

Non-testable question

Answer 2

A Questions that cannot be answered by evidence gathered through experimental inquiries.

Question 3

Quantitative

Answer 3

Quantitative data is numbers-based, countable, or measurable.

Question 4

Qualitative

Answer 4

Qualitative data is interpretation-based, descriptive, and relating to language.

Question 5

Trials

Answer 5

A tryout or experiment to test quality, value, or usefulness.

Question 6

Observation

Answer 6

An act or instance of noticing or perceiving of information from a primary source.

Question 7

Empirical evidence

Answer 7

Information obtained through observation of certain behavior and patterns or through an experiment.

Question 8

Data

Answer 8

Information that has been translated into a form that is efficient for movement or processing.

Question 9

Models in science

Answer 9

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

Question 10

Analogy

Answer 10

A comparison of two otherwise unlike things based on resemblance of a particular aspect.

Question 11

Prototype

Answer 11

A working model that is used to test a design solution.

Question 12

Hypothesis

Answer 12

A concept or idea that you test through research and experiments.

Question 12

Variable

Answer 12

Anything that can change or be changed within an experiment.

Question 13

Procedure

Answer 13

A detailed, step-by-step list of everything you will do in your experiment.

Question 14

Precision

Answer 14

How close measurements of the same item are to each other.

Question 15

Accuracy

Answer 15

How close a measurement is to the true or accepted value.

Question 16

Control

Answer 16

An element that remains unchanged or unaffected by other variables.

Question 17

Scientific method

Answer 17

The process of objectively establishing facts through testing and experimentation.

Question 18

Infer

Answer 18

The process of drawing conclusions based on evidence and reasoning.

Question 18

Constant

Answer 18

The factors that do not change during the experiment.

Question 19

Predict

Answer 19

A possible outcome based on logically reasoning about a particular scientific idea.

Question 20

Independent variable

Answer 20

A variable that stands alone and isn’t changed by the other variables.

Question 21

Dependent variable

Answer 21

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

Question 22

Manipulated variable

Answer 22

A factor that is purposefully and specifically changed.

Question 23

Responding variable

Answer 23

The part of an experiment that you measure and observe closely for a change or a response.

Question 24

Sample size

Answer 24

The number of participants or observations included in a study.

Question 25

Validity

Answer 25

How accurately a method measures what it is intended to measure.

Question 26

Trends in data

Answer 26

The general change in a variable with time.

Question 27

Variability

Answer 27

Describes how far apart data points lie from each other.

Question 28

Correlation

Answer 28

The relationship between variables.

Question 29

Mass

Answer 29

A measure of how much matter makes up a physical object.

Question 30

Volume

Answer 30

The amount of space the object takes up.

Question 31

Weight

Answer 31

the force exerted on a body or object by gravity.

Question 32

Percent

Answer 32

A relative value indicating hundredth parts of any quantity.

Question 33

Rate

Answer 33

The change in concentration over the change in time. (rate of change)

Question 34

Ratio

Answer 34

a comparison in terms of a quotient of two numbers like a and b. (a:b)

Question 35

Line graph

Answer 35

A graphical display of information that changes continuously over time.

Question 36

Bar graph

Answer 36

A type of graph in which each column represents a categorical variable.

Question 37

Pie graph

Answer 37

A way of summarizing or displaying the different values of a given variable.

Question 38

Scatterplot

Answer 38

Identifies a possible relationship between changes in two different sets of variables.

Question 39

Claim

Answer 39

A statement or answer to a scientific question.

Question 40

Evidence

Answer 40

Information, facts or data supporting a claim, assumption or hypothesis.

Question 41

Reason

Answer 41

A problem-solving process that involves critical thinking in relation to content.

Question 42

Theory

Answer 42

A well-substantiated explanation of an aspect of the natural world.

Question 43

Bias

Answer 43

A personal judgment for or against one side in a dispute.