Unit One KS

Question 1

Testable Question

Answer 1

Questions that are able to be answered through experiments and observations in the natural world

Question 2

Non-Testable Question

Answer 2

A question that can be changed based on the person, for examples “why” questions

Question 3

Quantitative

Answer 3

measuring using numbers

Question 4

Qualitative

Answer 4

measuring based on quality

Question 5

Trials

Answer 5

a tryout or experiment to test quality, value, or usefulness

Question 6

Observation

Answer 6

observing something or someone in order to gain information

Question 7

Empirical evidence

Answer 7

information obtained through observation and documentation through an experiment

Question 8

Data

Answer 8

information that can be used to determine a solution

Question 9

Models in Science

Answer 9

a representation of a system of ideas, events or processes

Question 10

Analogy

Answer 10

a comparison (or connection) made between scientific concepts

Question 11

Prototype

Answer 11

a model constructed to include all the technical characteristics and performances of the new product; a trial model

Question 12

Hypothesis

Answer 12

an assumption or idea that is proposed to see if it can be tested to be true

Question 13

Variable

Answer 13

any factor, trait, or condition that can exist in differing amounts or types

Question 14

Scientific Method

Answer 14

the process of answering a question by objectively establishing facts through testing and experimentation.

Question 14

Procedure

Answer 14

a detailed, step-by-step list of everything you will do in your experiment, including the materials and methods you will use

Question 15

Precision

Answer 15

how close measurements of the same item are to each other

Question 16

Accuracy

Answer 16

how close a measurement is to the true or accepted value

Question 17

Control

Answer 17

an element that remains unchanged or unaffected by other variables

Question 18

Constant

Answer 18

the part that doesn’t change during the experiment

Question 19

Predict

Answer 19

a possible outcome of a scientific test based on logical reasoning

Question 20

Infer

Answer 20

the process of drawing conclusions based on evidence and reasoning

Question 21

Independent Variable

Answer 21

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

Question 22

Dependent Variable

Answer 22

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

Question 23

Manipulated Variable

Answer 23

a factor that is purposefully and specifically changed by the experimenter

Question 24

Responding Variable

Answer 24

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

Question 25

Sample Size

Answer 25

the number of observations or individuals included in a study or experiment

Question 26

Trends in Data

Answer 26

the general change in a variable with time

Question 27

Validity

Answer 27

the degree to which a study or questionnaire accurately reflects or assesses the specific concept that the researcher is attempting to measure

Question 28

Correlation

Answer 28

the relationship between variables

Question 29

Variability

Answer 29

the extent to which data points in a statistical distribution or data set diverge—vary—from the average value, as well as the extent to which these data points differ from each other

Question 30

Mass

Answer 30

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

Question 31

Volume

Answer 31

the amount of space occupied by a sample of matter

Question 32

Weight

Answer 32

the force exerted on a body by gravity

Question 33

Percent

Answer 33

a relative value indicating hundredth parts of any quantity

Question 34

Rate

Answer 34

rate of change

Question 35

Ratio

Answer 35

a comparison in terms of a quotient of two numbers a and b, usually written as ab or a/b

Question 36

Line Graph

Answer 36

changes over time

Question 37

Bar Graph

Answer 37

used to compare the frequency of a category or characteristic with that of another category or characteristic

Question 38

Pie Graph

Answer 38

used to show percent of a whole

Question 39

Scatter plot

Answer 39

identifies a possible relationship between changes observed in two different sets of variables

Question 40

Evidence

Answer 40

information collected via rigorous scientific methods that changes their belief in the truth of factual claims of the first to the fourth kind

Question 40

Theory

Answer 40

a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts

Question 41

Reason

Answer 41

a problem-solving process that involves critical thinking in relation to content, procedural, and epistemic knowledge

Question 42

Claim

Answer 42

a generalization based on a reported statistically significant effect

Question 43

Bias

Answer 43

a flaw in the study design or the method of collecting or interpreting information