looking at energy. describe what you see in the photo
Post on 31-Mar-2015
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Zambian Connections
Looking at Energy
Describe what you see in the photo
Can you see any similarities in the way a meal is cooked in your house?
Yes there are more than one person cooking the meal. They appear to be using a spatula and pan.
Can you see any differences in the way a meal is cooked at your house?
Yes, in the picture it’s many people, they are cooking outside over a fire. Where we would cook inside.
Typed by Logan’s Mom
A meal is being cooked
Where do you think the people get this source?Cutting down treesChemical energy being burned from the wood, chemical and heat. Why do you think they use this source?Because it’s cheap and it’s available to them What advantages can you think of to cooking with this source?It doesn’t cost as much What disadvantages can you think of to cooking with this source?It takes a longer time to heat up, it doesn’t have a consistent and well spread heat that will burn out.
What is the source of energy being used?
Fires need to be tended which
takes time Inhaling smoke and particulates
causes respiratory diseases It takes time to gather wood Contributes to deforestation
Disadvantages To Cooking with Wood
Can you think of another way
that people in Zambia could cook? What would you suggest? Talk to your team and list at least three ideas.
Stretch your thinking!
Describe what you see in the photo
What are the advantages of
using this source of energy? What are the disadvanatges
of using this source of energy?
What is the energy source?
The construction of a solar oven is cheap and
easy Time doesn’t need to be spent gathering wood A solar oven doesn’t need to be tended which
means time can be freed up to do other things Solar ovens don’t create smoke they are
healthier Solar ovens do not contribute to deforestation
Advantages
Describe what you see in the photos
Kerosene is a combustible liquid
derived from petroleum. Kerosene lamps are commonly used to light homes in rural Zambia as electricity supplies are unreliable.
Can you think of any disadvantages to this source of energy?Smells really bad and pollutes. It doesn’t produce allot of light and does release allot of smoke.
The photos show homemade Kerosene
lamps
Kerosene is expensive It pollutes and is very smelly Doesn’t provide great light to do
homework, read etc. It’s a non-renewable source of
energy Can easily start a fire
Disadvanatges
Can you think of a better way that our Zambian friends could light
their homes?
Brainstorm with your team
Stretch your thinking
After watching this
presentation: How do you feel? What do you think? What do you wonder? How are you inspired?
Reflect
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