Question

Choose whether the following changes are: (Physical, Chemical, Reversible, Irreversible, Reversible physical, Irreversible physical)

1. New substances are formed in a ------------- change
2. When grass gets mowed it goes through a ------------ change
3. Physical changes are generally ----------------
4. Breaking of eggs is a ------ ------- change
5. Leaves falling off from a plant is an example of --------------- change
6. Burning of paper is a -------- ------ change
7. When flowers die they go through---------- ------ changes
8. When a pencil is sharpened it goes through ----- ------changes

Answer 1

1. Chemical
2. Chemical
3. Reversible
4. Physical, irreversible
5. Chemical
6. Chemical, irreversible
7. Chemical, irreversible
8. Physical, irreversible