Page 148 - Primary Five Science

Changes in Environment

Changes in the environment are divided into

two

1. Natural changes

2. Man made changes

Natural Changes in the envi-

ronment

These are changes that happen on their

own and we have no control over them.

E.g. rotting, germination, growth, seasons

Groups of natural changes in the environ-

ment

1. Physical change

2. Biological changes

3. Chemical changes

4. Atmospheric changes

1. Biological changes  Moulting of animals

These are natural changes that  Growth and development in

take place in living things. Exam- animals

ples of biological changes in ani-  Camouflage or mimicry in ani-
mals and plants mals and plants

These changes do not fall short  Shading of leaves in dry season

of:  Germination

 Sweating  Transpiration

 Falling sick and recovering

 Gaining and losing weight