HARD
7th CBSE
IMPORTANT
Earn 100

Make a concept map of physical and chemical changes. Add as many examples as you can.

Important Questions on Formative Assignment: Assignment Chapters 6-8

MEDIUM
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 20 - Formative Assignment: Assignment Chapters 6-8>Formative Assignment: Assignment CHAPTERS 6-8>Q 6

Solve the crossword. 

Question Image

ACROSS
2. An instrument used for measuring the moisture content in the atmosphere                 
4. This is the layer where the air virtually nonexistent
5. Winds caused by uneven heating of Earth

DOWN
1. Wasting away of metals on exposure to air and moisture                  
3. Coating the surface of iron with zinc to prevent its rusting