Zusammenfassung der Ressource
Introduction to Chemistry
- Chemistry
- Chemistry is the study of the
composition of matter and the changes
that matter undergoes.
- Areas of Study
- Organic chemistry
- Inorganic chemistry
- Biochemistry
- Analytical chemistry
- Physical chemistry
- Chemistry can be useful in explaining the natural world,
preparing people for career oportunities, and producing
informed citizens.
- Because living things and nonliving things are made
of matter, chemistry affect all aspects of life and
most natural events.
- Pure chemistry is the pursuit of
chemical knowledge for its own sake.
- Applied chemistry is research that is
directed toward a practical goal or
application.
- Chemistry Far
and Wide
- Chemists design materials to fit
specific needs.
- Macroscopic
- Microscopic
- Energy is necessary to meet the needs of modern society.
- Conserve Energy
- Produce
Energy
- Store Energy
- Chemistry supplies the medicines, materials, and
technology that doctors use to treat their patients.
- Chemists help to develop more productive crops
and safer, more effective ways to protect crops.
- Chemists help to identify pollutants and
prevent pollution.
- To study the universe, chemists gather data from afar
and analyze matter that is brought back to earth.
- Thinking like a Scientist
- The word chemistry comes from alchemy, long before
there were chemists, alchemists were studying matter.
- Alchemy had a practical side and a mystical side.
- Mystical alchemy
focused on concepts
like perfection.
- Practical alchemy
focused on develop
techniques.
- Scientific Method
- Is a logical, systematic approach to the solution
of a scientific problem.
- Observations
- Hypotheses
- Theories
- Scientific law
- Problem Solving in Chemistry
- Effective problem solving always involves developing a
plan and then implementing that plan
- Solving Numeric Problems
- Analyze
- Calculate
- Evaluate
- Solving Conceptual Problems
- Analyze
- Solve