7th Science Notes

UNIT NO.5 Physical and Chemical Changes (Solved Exercise) 5.2 Define the following: 1. Physical change A…

UNIT NO.1 Plant System (Solved Exercise) 1.2 Give short answers. 1. What is primary root? The…

UNIT NO.2 Human Respiratory and Circulatory System (Solved Exercise) 2.2 Differentiate between: 1. Aerobic and anaerobic…

UNIT NO.3 Immunity and Diseases (Solved Exercise) 3.2 Give short answers. 1. Define the following: (a)…

UNIT NO.4 Structure of an Atom (Solved Exercise) 4.2 Write short answers. 1. What is atom?…

UNIT NO.9 Waves and Energy (Solved Exercise) 9.3 Answer the following questions. 1. How can you…

UNIT NO.10 Heat and Temperature (Solved Exercise) 10.2 Give short answers. 1 Define heat. The energy…