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Imelda Hamman

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Imelda Hamman

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Imelda Hamman

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Imelda Hamman

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Imelda Hamman
Daehler, K. R., Folsom, J., & Shinohara, M. (2011). Making Sense of Science: Energy: For Teachers of Grades 6-8. WestEd.
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Imelda Hamman, Rohan Meyer, Marlie van Niekerk
Components – different parts of something.
Diagram – simple drawing or sketch.
Symbol – simple sign which represents something else. Insulated – covered in protective substance such as plastic.
Insulator – materials that do not allow heat/electricity to pass through them.
Generator – a machine that produces electricity.
Non-renewable - something that cannot be made again very quickly.
Geothermal energy- heat energy from the earth.
Biomass energy- renewable energy from animals and plants.
"Geo"- This means earth.
"Thermal" -This means heat.
Cell- A single tool which transfer chemical energy to electrical energy.
Battery- A group of cells.
Input energy
Output energy

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Imelda Hamman

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Marlie van Niekerk

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How to Make Elephant Toothpaste: Conduct Your Own Experiment

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Marlie van Niekerk

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Proudly South African

In South Africa, Mainstream is the most successful company in the history of the country's renewable energy independent power producer procurement programme (REIPPPP), having been awarded over 2.1 GW to date.

Our proudly South African team has the honour of having developed and built the country's first wind and solar farms in Round 1 of the programme.

To date, we have developed and built 850 MW (gross) of wind and solar generation assets across REIPPPP Rounds 1, 3 and 4 . That is equivalent to approximately 15% of the total renewable energy generation capacity delivered under the programme.

In 2021, Mainstream was awarded preferred bidder status in Round 5 of the programme with a total capacity of 1.27 GW across wind (824 MW) and solar (450 MW) technologies.

Mainstream also provides O&M services to its African joint venture company, Lekela Power with over 600 MW under management in South Africa across five wind farms.

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Mainstream develops, manages construction activities and delivers renewable energy projects into commercial operation across South Africa. Learn more here.

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Medicine Michigan, 2019. How to make Elephant toothpaste: Conduct your own experiment. [Online] Available at: https://youtu.be/I3-hGx6PEMM [Accessed on 12 October 2023]

Mainstream renewable power, 2023. Proudly South African. [Online] Available at:

https://www.mainstreamrp.com/marketsprojects/africa/south-africa/ [Accessed on 12 October 2023]

Science Alive, 2023. Energy and Change. [Online] Available at: https://www.sciencealive.com.au/schools-incursions/y4-y7/energy-and-change/ [Accessed on 13 October 2023]

BBC, 2023. Electrical components. [Online] Available at: https://www.bbc.co.uk/bitesize/topics/zj44jxs/articles/zqryn9q [Accessed on 14 October 2023]

Make it easy education, 2023. Sources of energy II Science educational video for children. [Online] Available at: https://www.youtube.com/watch?v=9yiuyipZyZw [Accessed on 15 October 2023]

Energy education,2023. Law of conservation of energy. [Online] Available at: https://energyeducation.ca/encyclopedia/Law_of_conservation_of_energy [Accessed on 15 October 2023]

BYJU'S, 2023. Different between renewable and non-renewable resources. [Online] Available at: Difference between Renewable and Non-renewable Resources- BYJU'S (byjus.com) [Accessed on 15 October 2023]

Teach Engineering, 2023. What is energy? [Online] Available at:https://www.teachengineering.org/lessons/view/cub_energy2_lesson01#:~:text=Energy%20is%20the%20ability%20to,heat%2C%20electricity%2C%20sound.) [Accessed on 14 October 2023]

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Drawing of an electrical circuit (Using Symbols) 

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Drawing of an electrical circuit (Using Symbols) 

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Marlie van Niekerk

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KINETIC AND POTENTIAL ENERGY SONG | Science Music Video

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Saving Energy at Home - Energy Efficiency Tips