Transformation of Energy Practice exercise 1

Study the diagram of Thomson’s Falls in Nyahururu and identify two forms of energy in this scene and explain where each is observed. (2 marks)

Study the diagram of Thomson’s Falls in Nyahururu and identify two forms of energy in this scene and explain where each is observed. (2 marks)

Study the diagram of Thomson’s Falls in Nyahururu and identify two forms of energy in this scene and explain where each is observed. (2 marks)

A boda boda rider is fueling his motorbike at a petrol station. What advice would you give him about using petrol wisely?  (1 mark)

A boda boda rider is fueling his motorbike at a petrol station. What advice would you give him about using petrol wisely?  (1 mark)

A boda boda rider is fueling his motorbike at a petrol station. What advice would you give him about using petrol wisely?  (1 mark)

A boda boda rider is fueling his motorbike at a petrol station. What advice would you give him about using petrol wisely?  (1 mark)

A boda boda rider is fueling his motorbike at a petrol station. What advice would you give him about using petrol wisely?  (1 mark)

Your family is cooking ugali using a charcoal jiko. Explain the energy transformation taking place.  (1 mark)

Your family is cooking ugali using a charcoal jiko. Explain the energy transformation taking place.  (1 mark)

Your family is cooking ugali using a charcoal jiko. Explain the energy transformation taking place.  (1 mark)

A family in Kisumu uses LPG gas daily for cooking. The gas finishes faster than expected, and refilling it has become expensive. Identify the energy source and suggest a long-term solution for the family. Explain why the solution is better for their future. (2 marks)

A family in Kisumu uses LPG gas daily for cooking. The gas finishes faster than expected, and refilling it has become expensive. Identify the energy source and suggest a long-term solution for the family. Explain why the solution is better for their future. (2 marks)

A family in Kisumu uses LPG gas daily for cooking. The gas finishes faster than expected, and refilling it has become expensive. Identify the energy source and suggest a long-term solution for the family. Explain why the solution is better for their future. (3 marks)

A family in Kisumu uses LPG gas daily for cooking. The gas finishes faster than expected, and refilling it has become expensive. Identify the energy source and suggest a long-term solution for the family. Explain why the solution is better for their future. (3 marks)

A family in Kisumu uses LPG gas daily for cooking. The gas finishes faster than expected, and refilling it has become expensive. Identify the energy source and suggest a long-term solution for the family. Explain why the solution is better for their future. (3 marks)

Explain why repairing power lines during rain without protective gear is dangerous and suggest the correct safety measures.  (2 marks)

Explain why repairing power lines during rain without protective gear is dangerous and suggest the correct safety measures.  (2 marks)

Explain why repairing power lines during rain without protective gear is dangerous and suggest the correct safety measures.  (2 marks)

A school in Wajir uses a solar-powered borehole to pump water and operate a small fridge. One day, the water pump works, but the fridge does not cool. What is the most likely reason for this?

A school in Wajir uses a solar-powered borehole to pump water and operate a small fridge. One day, the water pump works, but the fridge does not cool. What is the most likely reason for this?

A school in Wajir uses a solar-powered borehole to pump water and operate a small fridge. One day, the water pump works, but the fridge does not cool. What is the most likely reason for this?

A school in Wajir uses a solar-powered borehole to pump water and operate a small fridge. One day, the water pump works, but the fridge does not cool. What is the most likely reason for this?  (1 mark)

A school in Wajir uses a solar-powered borehole to pump water and operate a small fridge. One day, the water pump works, but the fridge does not cool. What is the most likely reason for this?  (1 mark)

A school in Wajir uses a solar-powered borehole to pump water and operate a small fridge. One day, the water pump works, but the fridge does not cool. What is the most likely reason for this?  (1 mark)

A school in Wajir uses a solar-powered borehole to pump water and operate a small fridge. One day, the water pump works, but the fridge does not cool. What is the most likely reason for this?  (1 mark)

A town changes all street lights to LED lamps but notices some lights flicker at night. What could be the problem?

A town changes all street lights to LED lamps but notices some lights flicker at night. What could be the problem? (1 mark)

A town changes all street lights to LED lamps but notices some lights flicker at night. What could be the problem? (1 mark)

A school bus in Eldoret approaches a zebra crossing where pupils are waiting. Which combination MOST improves safe conversion of kinetic energy as the bus stops?

A school bus in Eldoret approaches a zebra crossing where pupils are waiting. Which combination MOST improves safe conversion of kinetic energy as the bus stops?  (1mark)

A school bus in Eldoret approaches a zebra crossing where pupils are waiting. Which combination MOST improves safe conversion of kinetic energy as the bus stops?  (1mark)

A school bus in Eldoret approaches a zebra crossing where pupils are waiting. Which combination MOST improves safe conversion of kinetic energy as the bus stops?  (1mark)

A school bus in Eldoret approaches a zebra crossing where pupils are waiting. Which combination MOST improves safe conversion of kinetic energy as the bus stops?  (1 mark)

During a storm over Mount Elgon, a child observes a bright flash followed by a loud thunder. What forms of energy are naturally present during this event?

During a storm over Mount Elgon, a child observes a bright flash followed by a loud thunder. What forms of energy are naturally present during this event? (1 mark)

During a storm over Mount Elgon, a child observes a bright flash followed by a loud thunder. What forms of energy are naturally present during this event? (1 mark)

During a storm over Mount Elgon, a child observes a bright flash followed by a loud thunder. What forms of energy are naturally present during this event? (1 mark)

A family in Turkana uses a solar panel to power household lighting. Explain the energy transformation involved.  (1mark)

A family in Turkana uses a solar panel to power household lighting. Explain the energy transformation involved.  (1mark)

A family in Turkana uses a solar panel to power household lighting. Explain the energy transformation involved.  (1mark)

A family in Turkana uses a solar panel to power household lighting. Explain the energy transformation involved.  (1mark)

A farmer uses a diesel water pump and leaves it running unattended. What is the risk and what should be done?  (1mark)

A farmer uses a diesel water pump and leaves it running unattended. What is the risk and what should be done?  (1mark)

A farmer uses a diesel water pump and leaves it running unattended. What is the risk and what should be done?  (1 mark)

A construction site in Nairobi uses an electric drill to bore holes in metal beams. Explain the energy transformations and the advantage of using electric drills for heavy-duty work.  (2marks)

A construction site in Nairobi uses an electric drill to bore holes in metal beams. Explain the energy transformations and the advantage of using electric drills for heavy-duty work.  (2marks)

A construction site in Nairobi uses an electric drill to bore holes in metal beams. Explain the energy transformations and the advantage of using electric drills for heavy-duty work.  (2marks)

A construction site in Nairobi uses an electric drill to bore holes in metal beams. Explain the energy transformations and the advantage of using electric drills for heavy-duty work.  (2marks)

A school in Kajiado uses a wind-powered water pump. During calm days with no wind, the pump fails to operate. Explain why the pump fails and suggest a suitable alternative energy transformation that could work in this situation. (2 marks)

A school in Kajiado uses a wind-powered water pump. During calm days with no wind, the pump fails to operate. Explain why the pump fails and suggest a suitable alternative energy transformation that could work in this situation. (2 marks)

Maria has a simple circuit made with a battery, a switch, and a small bulb. Explain the energy transformation that occurs from the moment she turns the switch on until the bulb lights up. (2 marks)

Marion has a simple circuit made with a battery, a switch, and a small bulb. Explain the energy transformation that occurs from the moment she turns the switch on until the bulb lights up. (2 marks)