Front

Science that deals with matter and changes

Back

Chemistry

Front

Central science

Back

Chemistry

Front

Scientific problem solving: Step 1

Back

State the problem and make observations.

Front

Quantitative observations

Back

Involving numbers or measurement

Front

Qualitative observations

Back

Not involving numbers

Front

Theory

Back

Universally accepted explanation of the problem

Front

Theories should be

Back

Constantly challenged and refined with new data

Front

Theories vs Laws

Back

Theories do NOT become laws

Front

Laws

Back

State what general behavior is observed to occur naturally

Front

Law of conservation of mass

Back

Mass is neither created nor destroyed during chemical changes