Chapter 1: Introduction to Chemistry

Question 1

Chemistry

Answer 1

The study of matter and its changes

Question 2

Matter

Answer 2

Anything with mass and volume

Question 3

Substance

Answer 3

Something with a uniform composition

Question 4

Mixture

Answer 4

Two or more pure substances in a variable ratio

Question 5

Element

Answer 5

Substance made up of one type of atom

Question 6

Compound

Answer 6

Substance made of two or more elements in a definite ratio

Question 7

Mass

Answer 7

Amount of matter present

Question 8

Weight

Answer 8

Pull of gravity on an object or a sample

Question 9

Scientific Method (steps)

Answer 9

1. Ask question
2. Form hypothesis
3. Research
4. Experiment
5. Record data
6. Analysis
7. Conclusion

Question 10

Hypothesis

Answer 10

A prediction or statement based upon prior knowledge

Question 11

Theory

Answer 11

An explanation of why phenomena occur, based upon extensive scientific evidence

Question 12

Law

Answer 12

A description of natural phenomena or relationships, often using math

Question 13

Independent Variable

Answer 13

Variable you change in an experiment

Question 14

Dependent Variable

Answer 14

Variable that changes based on the independent variable

Question 15

Control

Answer 15

Group that is not changed

Question 16

Controlled Variables

Answer 16

Variables that stay the same

Question 17

Pure Research

Answer 17

Researching for knowledge alone

Question 18

Applied Science

Answer 18

Problem Solving