Unit 1 Exp Design HMY

Question 1

Testable question

Answer 1

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

Question 2

Non-testable question

Answer 2

a claim that cannot be tested

Question 3

Quantitative

Answer 3

data represented numerically, including anything that can be counted, measured, or given a numerical value.

Question 4

Qualitative

Answer 4

relating to the nature or standard of something, rather than to its quantity.

Question 5

Trials

Answer 5

an experiment in which you test something by using it or doing it for a period of time to see how well it works.

Question 6

Observation

Answer 6

the action or process of carefully watching someone or something

Question 7

Empirical evidence

Answer 7

the information obtained through observation and documentation or through an experiment.

Question 8

Data

Answer 8

nformation such as facts and numbers used to analyze something or make decisions.

Question 9

model science

Answer 9

a physicalrepresentation of a system of ideas, events or processes

Question 10

Analogy

Answer 10

a comparison of the similarities between two concepts.

Question 11

Prototype

Answer 11

an original model on which something is patterned

Question 12

Hypothesis

Answer 12

an original model on which something is patterned

Question 13

Variable

Answer 13

any item, factor, or condition that can be controlled or changed.

Question 14

Procedure

Answer 14

A step-by-step description of how to perform an operation or process.

Question 15

Precision

Answer 15

the closeness of two or more measurements to each other.

Question 16

Accuracy

Answer 16

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

Question 17

Scientific method

Answer 17

the process of objectively establishing facts through testing and experimentation.

Question 18

Control

Answer 18

an element that remains unchanged or unaffected by other variables.

Question 19

Constant

Answer 19

The factors that do not change during the experiment.

Question 20

Predict

Answer 20

a possible outcome of a scientific test based on logically reasoning about a particular scientific idea

Question 21

Infer

Answer 21

a conclusion or educated guess drawn from observations as well as previous knowledge.

Question 22

Dependent variable

Answer 22

the variable being tested in a scientific experiment. The dependent variable is “dependent” on the independent variable.

Question 22

Independent variable

Answer 22

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

Question 23

Manipulated

Answer 23

Changed by the experiment in the design of the experiment.Changes as a result of the change in the independent Variable.

Question 24

Manipulated variable

Answer 24

a factor that is purposefully and specifically changed by the experimenter Variables are manipulated, or altered on purpose, to identify cause and effect relationships.

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

Question 27

Validity

Answer 27

accurate information that is used in an unbiased way to convey a biological idea.

Question 28

Trends in data

Answer 28

the general change in a variable with time.

Question 29

Correlation

Answer 29

Used to describe the observed relationship between instances of two events.

Question 30

Variability

Answer 30

he tendency at which traits in that population may vary

Question 31

Mass

Answer 31

the amount of matter or substance that makes up an object

Question 32

Volume

Answer 32

the amount of space occupied by a substance

Question 33

Weight

Answer 33

the measure of the force of gravity acting on a body.

Question 34

Percent

Answer 34

out of each hundred or per one hundred.

Question 35

Rate

Answer 35

the speed with which a reaction takes place

Question 36

Ratio

Answer 36

a relationship between two things when it is expressed in numbers or amounts.

Question 36

Line graph

Answer 36

a chart that shows a line joining several points or a line that shows the relation between the points.

Question 37

Bar graph

Answer 37

a graphical representation of data, quantities, or numbers using bars or strips.

Question 38

pie graph

Answer 38

graph that represents the data in the circular graph. The slices of pie show the relative size of the data, and it is a type of pictorial representation of data.

Question 39

Scatterplot

Answer 39

uses dots to represent values for two different numeric variables.

Question 40

Claim

Answer 40

a statement saying that something happened a certain way or will happen a certain way

Question 41

Evidence

Answer 41

anything that can be used to prove something

Question 42

Reason

Answer 42

a statement or fact that explains why something is the way it is, why someone does, thinks, or says something, or why someone behaves a certain way.

Question 43

Theory

Answer 43

an idea or set of ideas that is intended to explain facts or events.

Question 44

Bias

Answer 44

a tendency to believe that some people, ideas, etc., are better than others that usually results in treating some people unfairly.