Chapter 1 Vocab

Question 1

Study of matter and the changes it undergoes

Answer 1

Chemistry

Question 2

Matter that has a definite composition

Answer 2

Substance

Question 3

Measurement that reflects the amount of matter

Answer 3

Mass

Question 4

Measure of an amount of matter and also the effect of earths gravitational pull on that matter

Answer 4

Weight

Question 5

Visual, verbal, and/or mathematical explanation of data collected rom many experiments

Answer 5

Model

Question 6

Systematic approach used in scientific study

Answer 6

Scientific Method

Question 7

Info describing physical characteristics (color, shape)

Answer 7

Qualitative Data

Question 8

Numerical info describing how much, how fast, etc.

Answer 8

Quantitative Data

Question 9

Testable statement or prediction about what has been observed

Answer 9

Hypothesis

Question 10

Set of controlled observations that test a hypothesis

Answer 10

Experiment

Question 11

Variable that the experimenter plans to change

Answer 11

Independent Variable

Question 12

Variable whose value depends on the independent variable

Answer 12

Dependent Variable

Question 13

Standard used for comparison

Answer 13

Control

Question 14

Judgement based on the info obtained

Answer 14

Conclusion

Question 15

Explanation supported by many experiments

Answer 15

Theory

Question 16

Describes a relationship in nature that is supported by many experiments

Answer 16

Scientific Law

Question 17

Type of scientific investigation that seeks to gain knowledge for the sake of knowledge itself

Answer 17

Pure Research

Question 18

Type of scientific investigation that is undertaken to solve a specific problem

Answer 18

Applied Research