TOPIC: 1. Introduction to Chemistry

SUBTOPIC: 1.1.Understand Chemistry and

its important

BY:MISS MASITA BINTI RAMLI

Most of our food are mixtures of naturally occurring chemical.

For every group, identify the sample is given and their uses in daily life. Use all senses, touch, smell, taste and sight to identify the sample.

You are given 2 minutes to complete your activity.

CHEMICALCHEMICAL USEUSE

Sugar/sucroseSugar/sucrose food flavouring, preservativefood flavouring, preservative

Vinegar/ acetic Vinegar/ acetic acidacid

food flavouring, preservativefood flavouring, preservative

Salt/sodium Salt/sodium chloridechloride

food flavouring, preservativefood flavouring, preservative

Baking powder/ Baking powder/ Sodium Sodium bicarbonatebicarbonate

baking cake baking cake

Explain the meaning of Chemistry

List some common chemicals

and their uses in daily life

States the uses of common chemicals in daily life

List examples of occupations that require the knowledge of chemistry List chemical-based industries in Malaysia

Describe the contribution of chemical-based industries towards the development of the country

The study of the composition, structure, properties and interaction of matter

Example: water

Composition: Hydrogen(H) and Oxygen(O)

Structure: H2OH

O O

Anything that occupies space and has mass is matter

Properties: Physical Properties and Chemical Properties

Interaction of matter: covalent bond or ionic bond

In your group, list as many examples of common chemicals and their uses in our daily lives.

You are given 5 minutes to do so.

Present your list in front of the class and compare it with other groups

Copy down the chemical that are not listed in your note book

COMMON CHEMICAL AND ITS USES

Polystyrene

Petroleum

Sodium Hydroxide

Ester

Name the chemicals to produce these products.

COMMON CHEMICAL AND ITS USES

Disposable cup

Lipstick

Soap

Perfume

Polystyrene

Petroleum

Sodium Hydroxide

Ester

Doctor

Chemist

Biochemist

Treat sick people

Study of properties of matter, chemical structure, effect ofchemicals and perform

analysison chemical

Study chemical processes inliving things

Pharmacist

ForensicScientist

Geologist

Study medicine and drugs and

their effects

Perform analysis on the crime Objects

Study of chemical substances on earth

CHEMICAL- BASED INDUSTRIES IN MALAYSIA AND THEIR CONTRIBUTIONS

Perfume vitamin/antibiotic

PVC

CHEMICAL- BASED INDUSTRIES IN MALAYSIA AND THEIR CONTRIBUTIONSINDUSTRY PRODUCT

cosmetic Perfume, skin lotion

pharmaceutical

Antibiotic, hormone, vitamin

Petroleum Petrol, diesel

metal Steel, pewter, cupronickel

polymer PVC, nylon, rubber

Chemical industries in Malaysia

UNDERSTANDING TO CHEMISTRY

uses

Chemistry related occupations

importancedefinition