i)

Science related businesses

1. Blacksmithing
2. Gari processing
3. Soap making
4. Salt production
5. Kenkety production
6. Biogas production
7. Fish smoking

ii)

State the principles underlying the operation of each of the businesses named

1. Blacksmithing → forging/shrinking/bonding/malleability
2. Gari processing → fermentation
3. Soap making → saponification
4. Salt production → evaporation
5. Kenkety production → fermentation
6. Biogas production → decomposition
7. Fish smoking → dehydration/drying

i)

Technology is the application of scientific knowledge in a practical way.

OR

Technology is the practical use of scientific discovery/knowledge in industry.

OR

Technology is scientific knowledge which is used to solve problems.

ii)

Differences between Science and Technology

i)

Steps used by scientists to do work

1. Identifying problem
2. Observing
3. Hypothesis
4. Collection of data
5. Experimenting
6. Analyzing data
7. Drawing conclusion

ii)

Subjects considered as applied science

1. Engineering
2. Medicine
3. Agriculture
4. I.C.T
5. Pharmacy
6. Electronics