Revision of States of matter

من طرف Swetha الأربعاء أبريل 01, 2020 9:20 am

04.01.2020
09:20:00
Hi students, good morning.
Today's topic revision : states of matter pg.no :75 to 77
Concept: changes of state
The important points are :
1 .when solid turns to liquid = melting
2 liquid to solid = freezing
3.Liquid to gas = evaporation
4.gas to liquid = condensation..
Read the summary points in pg no : 74..
Revise well and have practice..
No homework