Chapter 1

Question 1

Atomic theory

Answer 1

The theory that all matter is composed of small, indestructible particles called atoms.

Question 2

Chemistry

Answer 2

The science of understanding what matter does by studying what atoms and molecules do.

Question 3

Hypothesis

Answer 3

An explanation for an observation. A good one is falsifiable (can be tested and might be wrong.)

Question 4

Experiment

Answer 4

Intentional observations done to prove or disprove a hypothesis.

Question 5

Law of conservation of mass

Answer 5

Matter is neither created nor destroyed in a chemical reaction.

Question 6

Observation

Answer 6

Seeing something that leads to a hypothesis.

Question 7

Scientific Law

Answer 7

A quick statement that compacts previous observation and predicts future ones.

Question 8

Scientific method

Answer 8

Way of learning that emphasizes observation and experimentation to understand the world.

Question 9

Scientific theory

Answer 9

Are tested and proved by experiments. Well-test scientific theories are as close to the truth in science than anything else.