True or False
1. All materials undergo decay.
2. Decaying materials can be made into compost.
3. Proper waste disposal can cause harm to human
health.
4. Wastes should be segregated as decaying and non-
decaying.
5. Fish bone, meat and fruit peelings are examples of
materials that undergo decay.
6.Materials undergo changes in their properties when
Aheated.
7.Materials like crayon, chocolate and margarine char
its form from solid to gas when heated,
8. Butter when heated changes to liquid then solidifies
When cooled.
2. All materials have the same properties.
10. Some changes in the materials are harmful to the
environment.

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