EASY
7th Maharashtra Board
IMPORTANT
Earn 100

Distinguish between physical change and chemical change.

Important Questions on Changes – Physical and Chemical

MEDIUM
7th Maharashtra Board
IMPORTANT
General Science Standard Seven>Chapter 13 - Changes – Physical and Chemical>Observe and discuss>Q 1

What changes have taken place in the materials seen in the following picture? What kind of changes are they?

Question Image

EASY
7th Maharashtra Board
IMPORTANT
General Science Standard Seven>Chapter 13 - Changes – Physical and Chemical>Use your brain power !>Q 1
What kind of change is the falling of a tree in a storm? (Natural change/ Artificial change)
MEDIUM
7th Maharashtra Board
IMPORTANT
General Science Standard Seven>Chapter 13 - Changes – Physical and Chemical>Exercise>Q 1
Distinguish between natural change and man-made change.
MEDIUM
7th Maharashtra Board
IMPORTANT
General Science Standard Seven>Chapter 13 - Changes – Physical and Chemical>Exercise>Q 2

Under which different types can the following change be classified:

Conversion of milk into yoghurt.

EASY
7th Maharashtra Board
IMPORTANT
General Science Standard Seven>Chapter 13 - Changes – Physical and Chemical>Exercise>Q 2

Under which different types can the following change be classified:

Bursting of a cracker.

MEDIUM
7th Maharashtra Board
IMPORTANT
General Science Standard Seven>Chapter 13 - Changes – Physical and Chemical>Exercise>Q 3
Give reasons while purchasing canned food, its expiry date should be checked why?
MEDIUM
7th Maharashtra Board
IMPORTANT
General Science Standard Seven>Chapter 13 - Changes – Physical and Chemical>Exercise>Q 4
What will you take into account while identifying a physical change in a substance?
MEDIUM
7th Maharashtra Board
IMPORTANT
General Science Standard Seven>Chapter 13 - Changes – Physical and Chemical>Exercise>Q 4
What will you take into account while identifying a chemical change in a substance?