Classification & Characteristics of Plants
Andvantages and Disadvantages of Microorganisms
Measure to Reduce Pollution
Biodegradable and Non-Biodegradable Materials
Reduce Non Biodegradable materials
States of Matter and Changes of State
Effects of Heat on Arrangements
Form of Moisture in the Environment
Disadvantages of Friction
Methods to Reduce Friction
Luminous and Non-Luminous
Opaque,Transparent and Translucent
Solar eclipse & Lunar Eclipse
Electricity and Magnetism
Electrical Circuit and its Components
Static Electricity and Lightning
Eletromagnetics and their Uses
Solar System and Natural Satellites