vocab words flash cards

Question 1

Observation

Answer 1

an act or instance of noticing or perceiving and the acquisition of information from a primary source.

Question 2

Data

Answer 2

a gathered body of facts.

Question 3

Variable

Answer 3

anything that can change or be changed within an experiment.

Question 4

Precision

Answer 4

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

Question 5

Accuracy

Answer 5

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

Question 6

Prediction

Answer 6

a rigorous, often quantitative, statement, forecasting what would be observed under specific conditions;

Question 7

Inference

Answer 7

the process of drawing conclusions based on evidence and reasoning.

Question 8

Independent Variable

Answer 8

the variable you manipulate or vary in an experimental study to explore its effects.

Question 9

Dependent Variable

Answer 9

the variable that changes as a result of the independent variable manipulation.

Question 10

Line graph

Answer 10

a graphical display of information that changes continuously over time.

Question 11

Bar graph

Answer 11

a type of graph in which each column (plotted either vertically or horizontally) represents a categorical variable.

Question 12

Pie graph

Answer 12

shows the relationship of parts to the whole for a categorical variable by depicting a circle, or pie, divided into segments.