About Lesson
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production, and their solutions. Biodegradable and non-biodegradable substances.
Unit – 1: Chemical Substances – Nature and Behaviour
In first unit, we have Three lessons:
1. Chemical Reactions
2. Acids, Bases, and Salts
3. Metals and Non-metals
0/10
Unit – 2: World of Living
In second unit, we have one lessons:
1. Life Processes
2. Control and co-ordination in animals and plants
3. Reproduction
4. Heredity and Evolution
0/7
Unit – 3: Natural Phenomena
In the third unit, we have Two lessons:
1. Light – Reflection and Refraction
2. Human eye and colourful world
0/16
Unit 4: Effects of Current
1. Electricity
2. Magnetic effects of current
0/2
Unit 5: Natural Resources
Our environment
0/1