Pollution of Air & Water

Pollution of Air and Water Worksheet-4

1. Which of the following is a fossil fuel?

1 – Tar

2 – Coal

3 – Petroleum

(a) I only                                         (b) I and II only

(c) II and III only                          (d) I, II and III

2. Carbon particles and smoke from factories:

(a) increase the rate of respiration in plants

Pollution of Air and Water Worksheet-5

1. Which method of water purification does NOT kill microorganisms?

(a) Boiling                                      (b) Filtration

(c) Chlorination                            (d) Distillation

2. Which water pollutant is incorrectly paired with the source?

(a) Oil spill - ship                         (b) Pesticide - oil palm plantation

(c) Sewage - large factory          (d) Nitrate - farm

Pollution of Air and Water Worksheet-6

1. Catalytic converters are used in:

(a) automobiles                            (b) wind mills

(c) poultry farms                          (d) dairy farms

2. Smog is a combination of:

(a) fire and water                         (b) smoke and fog

(c) water and smoke                    (d) air and water