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
HARD
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 20 - Formative Assignment: Assignment Chapters 6-8>Formative Assignment: Assignment CHAPTERS 6-8>Q 4
Make a concept map of physical and chemical changes. Add as many examples as you can.
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.
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
HARD
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 20 - Formative Assignment: Assignment Chapters 6-8>Formative Assignment: Assignment CHAPTERS 6-8>Q 1
pH scale is used to compare the acidity of solutions. Find out about pH scale and how it is used. Using pH paper to determine the acidity of different food materials in your home.
