1.1

Question 1

How did chemistry originate

Answer 1

creation of medication, dyes, and other organically made and manipulated products millions of years ago

Question 2

Chemical ideas

Answer 2

used to help understand the universe in astronomy and cosmology

Question 3

scientific method

Answer 3

observation forms a hypothesis
make decisions
perform experiment, if results are inconsistent with original prediction, revisit hypothesis
record information
come to a conclusion
observation may become a law
hypothesis may become a theory

Question 4

observation

Answer 4

uses knowledge from experiments which can be recreated and performed over again for proof of accuracy

Question 5

theory

Answer 5

tested and testable, is an accurate explanation of different aspects of nature

Question 6

difference between a law and theory

Answer 6

theory: much additional testing supports hypothesis
law: much additional testing yields constant observations

Question 7

macroscopic

Answer 7

can be seen and touched with the naked eye

Question 8

microscopic

Answer 8

not detectable by the naked eye, maybe can be seen through a microscope

Question 9

symbolic

Answer 9

chemical formulas, equations, graphs, drawings, and calculations