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Worksheets

Changes in Materials that are Useful and Harmful to one’s Environment

Total questions: 15

Worksheet time: 5mins

Name
Class
Date
1.

Identify whether such changes in the materials are useful or harmful to the environment

Cutting a piece of cloth to be made into handkerchief

a)

Useful

b)

Harmful

2.

Growing plants in the backyard

a)

Useful

b)

Harmful

3.

Dumping of wastes at the vacant lot

a)

Useful

b)

Harmful

4.

Cutting of lumber into chairs and tables

a)

Useful

b)

Harmful

5.

Selling of bottles, paper and cardboard materials

a)

Useful

b)

Harmful

6.

Using eco bag or native baskets instead of plastic bags at grocery store

a)

Useful

b)

Harmful

7.

Making a compost pit/bin in the yard for your biodegradable materials

a)

Useful

b)

Harmful

8.

Recycling of old notebooks

a)

Useful

b)

Harmful

9.

Repairing of furniture

a)

Useful

b)

Harmful

10.

Using old tires as flower pots

a)

Useful

b)

Harmful

11.

Cutting down trees

a)

Useful

b)

Harmful

12.

Throwing of detergents into the river

a)

Useful

b)

Harmful

13.

Spraying of spray net/

aerosol

a)

Useful

b)

Harmful

14.

Recycling or re-using waste plastic

a)

Useful

b)

Harmful

15.

Burning of old tires and other plastic materials

a)

Useful

b)

Harmful