Ch.1: The Chemical World

Question 1

science that tries to understand how matter behaves by studying how atoms and molecules behave

Answer 1

chemistry

Question 2

A way of learning that emphasizes OBSERVATION & EXPERIMENTATION— to understand the world

Answer 2

scientific method

Question 3

key characteristics of the SCIENTIFIC METHOD INCLUDE

Answer 3

OBSERVATION
HYPOTHESIS
EXPERIMENT
THEORY

Question 4

Measurement of some aspect of nature

Answer 4

observation

Question 5

a tentative explanation of the observations

Answer 5

hypothesis

Question 6

highly controlled observations designed to validate or invalidate hypotheses

Answer 6

experiment

Question 7

a brief statement that summarizes past obeservations and predicts future one

Answer 7

scientific law

Question 8

In a chemical reaction matter is neither created nor destroyed

Answer 8

Law of conservation of mass

Question 9

_______ provide a broader and deeper explanation for obseravations and laws

Answer 9

theory

Question 10

______ _____ JOHN DALTON: all matter was composed of small indestructible particles called atoms

Answer 10

Atomic theory

Question 11

To succeed as a chemist you must have 4 factors

Answer 11

imagination
commitment
calculations
curiosity