What is Chemistry?

1
What is Chemistry?

• The study of matter, its composition,
  properties, and the changes it undergoes.
• Applied Chemistry - uses chemistry to attain
  certain goals, in fields like medicine,
  agriculture, and manufacturing
• Pure chemistry - gathers knowledge for the sake
  of knowledge

2
5 Major Areas of Chemistry

• Analytical Chemistry - concerned with the
  composition of substances.
• Inorganic Chemistry - deals with substances
  without carbon
• Organic Chemistry - deals with substances
  containing carbon
• Biochemistry - chemistry of living things
• Physical Chemistry - deals with the physical
  properties of substances

3
Chemistry

• important to all sciences - biology, geology,
  physics, engineering, etc.
• a language with its own vocabulary.

4
Why Study Chemistry?

• everyone and everything around us involves
  chemistry
• possible career for your future

5
Chemistry Far and Wide

• Materials - perfume, steel, ceramics, plastics,
  rubber, paints, nonstick cooking utensils,
  polyester fibers
• Energy - fossil fuels, solar, batteries, nuclear
  (dont forget pollution!)

6
Chemistry Far and Wide

• Medicine and Biotechnology-
• vitamin C, penicillin, aspirin
• materials for artery transplants and hipbones
• Human Genome Project
• bacteria producing insulin
• cloning

7
Chemistry Far and Wide

• Agriculture - worlds food supply
• plant growth hormones
• ways to protect crops
• disease resistant plants
• The Environment- both risks and benefits involved
  in discoveries
• carbon dioxide, ozone, warming

8
Chemistry Far and Wide

• Astronomy and Space Exploration-
• composition of the planets
• analyze moon rocks
• planet atmospheres
• life on other planets?