unit 1 (nature of science)

Question 1

qualitative data

Answer 1

a descriptive measurement

Question 2

hypothesis

Answer 2

a possible explanation for an observation that can be tested by experimentation

Question 3

graph

Answer 3

a visual display of data

Question 4

scientific method

Answer 4

a series of steps used to solve problems; includes collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions

Question 5

science

Answer 5

an organized way of gathering and analyzing evidence about the natural world

Question 6

observation

Answer 6

the act of using one or more of your senses to gather information and take note of what occurs

Question 7

quantitative data

Answer 7

a numerical measurement

Question 8

variable

Answer 8

any factor that can have more than one value

Question 9

independent variable

Answer 9

factor that is changed in an experiment

Question 10

dependent variable

Answer 10

factor that is observed or measured in an experiment

Question 11

inference

Answer 11

a logical interpretation based on prior knowledge and experience

Question 12

table

Answer 12

an organized way to record data; usually have rows and columns of data

Question 13

data

Answer 13

evidence; information gathered from observations

Question 14

extranous variable

Answer 14

factors in an experiment that are not being investigated but can potentially affect the outcomes of the experiment

Question 15

controlled variable

Answer 15

factors in an experiment that do not change