RESOURCES IN THE ENVIRONMENT

ACTIVITY

Name the alloy that is used in:
a) Welding
b) Decorating ornaments
c) Making dental caps
Qn. Why are iron sheets galvanised?
Qn.Write down any 5 examples of plant fibre.
Discuss with learners the importance of a solar drier to a crop farmer.
How is water renewed naturally in the environment?
State at least 2 properties of carbon dioxide gas.
1. b) Why is carbon dioxide gas used in fire extinguishers?
2. c) Why is carbon dioxide used in the preservation of soft drinks like soda and beer?
3. State any 2 properties of oxygen.
  1. b) Why is carbon dioxide gas not used in gas cylinders?
  2. Why is oxygen gas used in gas cylinders?
  3. Qn a) Define soil pollution.
    1. b) Discuss the causes of soil pollution in the environment.
    (i) Natural causes
    
    (ii) Human causes
    1. c) Explain possible ways soil pollution can be controlled in the environment.
    2. d) Why did NEMA try to put a ban on polythene papers in Uganda?
    3. Explain the following:
      1. Decomposable wastes and examples
      2. Non- decomposable wastes and examples
      3. Mention the 2 natural processes in which soil is formed.

Olepor Ben

I am a dedicated professional primary teacher with an experience of 6 years teaching integrated science currently teaching at Vision for Africa primary school. I participate in Item setting and marking exams at school, district and national level with Uganda National Examination Board and still moving. So with the experience and qualification above; I feel competent in changing lives through integrated science.