ICSE Class 7 Chemistry, Unit 6: Metals and Non-Metals
From the CISCE curriculum. 6 key concepts, about 3 days of study at 20 to 30 minutes a day.
What this unit aims at
In day-to-day life many elements are commonly found such as iron, aluminium, zinc, lead, chlorine, carbon, sulphur etc. and their compounds. The elements have been classified in two classes, namely metals and non-metals. In this theme children will learn the classification of elements as metals and non-metals on the basis of their properties.
Your child should be able to
- differentiate between metals and non-metals on the basis of their physical properties such as lustre, conduction of electricity and heat, malleability, ductility, sonority, melting point, boiling point, density, strength
- describe common uses of some of the metals and non-metals
- describe the cause of corrosion of iron and other metals
- list different ways of preventing corrosion of metallic articles used in daily life
- list some properties and uses of metalloids
Key concepts in this unit
- Metals, non-metals Properties
- Distinguish between metals and non-metals with the general properties (lustre, conduction of electricity, heat, malleability, ductility, sonority, melting point, boiling point, density, strength.)
- Classification of elements as metals & non-metals.
- Corrosion of iron (rusting); ways to prevent rusting (oiling, painting, chrome plating, galvanization, tinning) (avoiding contact with air and water vapour).
- Uses of certain metals (iron, gold, copper, aluminium, zinc, lead, magnesium).
- Metalloids: elements that show the properties of both metals and non-metals – e.g. silicon, germanium, tungsten, antimony); uses.
Teach this unit at home
- A day-by-day plan from the CISCE concepts, so you know what to cover each day.
- A step-by-step script for each day, so you know what to say and ask (AI-written from the CISCE curriculum, so check it against your child's school book).
- A quiz at the end.
From the CISCE Curriculum for Classes I to VIII (2016). CISCE sets what is taught, not the textbooks, so schools use different books and there are no page numbers here. Adhian Gurus is not affiliated with CISCE.