INTRODUCTION TO CHEMISTRY
OBJECTIVES: At the end of the lesson the student should be able to:
- define chemistry and state its branches.
- explain scientific method and its importance.
- enumerate the uses of chemistry.
- describe some adverse effects of chemistry.
- identify at least five (5) careers related to chemistry.
MEANING OF CHEMISTRY
Chemistry is the study of matter: its structure, composition, properties and the changes it undergoes.
Chemistry is one of the three main branches of pure science, the other two being physics and biology. Chemistry which probes into the principles governing the changes that matter undergoes also deals with the composition, properties uses of matter. Some of the chemical changes which matter undergoes include; lighting a match, cooking, burning fire wood, making palm wine, rusting of nails, rotting of leaves. Chemical changes are otherwise known as chemical reactions. The knowledge of chemistry helps us to subject some matter to chemical processes thereby producing some materials for our every day today use. Such materials include: soaps, detergents, hair cream, perfumes, oil, margarine and plastics among others.
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ClassHall Instructor
Halima Ahmadu
Zainab Ahmadu
Favour nwankwo
Idanesi Akpoghome
Maryam
Sadiq Barau