Nature of Science

Question 1

Theory

Answer 1

an explanation backed by results obtained from repeated tests/experiments

Question 2

Model

Answer 2

making/using a copy of what you are studying (a diagram, a drawing, or a 3-d object)

Question 3

Hypothesis

Answer 3

a statement that describes what a person expects to happen or a solution to a problem

Question 4

Observation

Answer 4

using your senses to notice something in nature or in an experiment

Question 5

Inference

Answer 5

a conclusion or opinion that is formed because of evidence observed

Question 6

Independent Variable

Answer 6

the thing that I change in the experiment (what I am investigating)

Question 7

Dependent Variable

Answer 7

the thing that changes due to the independent variable (what is being measured)

Question 8

Constant

Answer 8

the parts of an experiment that remain the same (you do NOT change)

Question 9

Control

Answer 9

a standard used to compare test results “situation normal”

Question 10

Scientific Law

Answer 10

a well-tested description of the behavior of something in nature that predicts or describes what will happen in a given situation but don’t explain why

Question 11

Qualitative data

Answer 11

data that pertains to characteristics or properties

Question 12

Quantitative data

Answer 12

data that is represented by a count or numbers

Question 13

qualitative evidence

Answer 13

data with characteristics/properties. may include opinions like sweet or beautiful

Question 14

quantitative evidence

Answer 14

data represented by count of numbers

Question 15

bar graph

Answer 15

compares same type of data from separate entities

Question 16

pie graph

Answer 16

compares percentages

Question 17

line graph

Answer 17

compares change over time

Question 18

direct relation

Answer 18

both x and y variables go up or down

Question 19

indirect relation

Answer 19

one variable increases while the other decreases