Introduction Flashcards
Matter
Anything that occupies space and has mass.
5 types of chemistry:
1) Organic chemistry
2) Inorganic chemistry
3) Biochemistry
4) Physical chemistry
5) Nuclear Chemistry
The study of carbon-containing compounds in both living and non-living things
Organic Chemistry
The study of the chemical processes that happen inside living things.
Biochemistry
The study of chemical system as they apply to physics concepts.
Physical chemistry
The study of everything except carbon-based compounds.
Inorganic Chemistry
The study of chemical changes in the nucleus (centre) of the atom.
Nuclear chemistry
The smallest Unit of the matter.
Atom
Contains carbon and hydrogen bonds
Organic chemistry
Do NOT contain carbon (there are exceptions)
Inorganic chemistry
The process of using evidence from observation and experiments to create explanation.
Scientific inquiry
Scientific inquiry order:
1) Question
2) Background research
3) Make observations
4) Conduct experiment
A possible explanation for an observation or problem.
Hypothesis
Quantative study contains measurements that have:
Number and unit (3 ounces)
Scientific Method Order:
1) Ask a question or identify a problem
2) Conduct background research
3) Create a hypothesis
4) Test the hypothesis with experiment
5) Make observations and collect data
6) Analyse results/ draw conclusions (IF FALSE, CHANGE VARIABLE AND GO BACK TO 1)
7)Share results
2 Types of Scientific Investigations:
1)Pure Science
2)Applied Science
3 Different Types of Models:
1) Physical
2) Computer
3) Mathematical
A three-dimensional simulation of a moving object to a chemical reaction.
Computer model
Calculations involving a particular mathematical equation
Mathematical model
A proposed explanation that is based on an examination of facts.
Theory
FACTS CAN BE…
Observed and measured
Theories can be…
proven,
rejected,
changed,
improved.
Law that states that during chemical reaction matter is neither created nor destroyed, just rearranged.
Law of Conservation of Mass
Who wrote the Law of Conservation of Mass and when?
Antoine-Laurent Lavioisier in 1774
A rule based on observation of a process in nature that behaves the same way, each and every time.
Law
Difference between LAW and THEORY
Law describes what happens, theory describes Why something happens.
