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A science teacher gave a project to his ...

A science teacher gave a project to his students to design and prepare a solar cooker by using low cost materials available. The materials used by students were probabily thermocal, glass plate, black paper and mirror etc. they also prepared a report about hte device.
Write the role of thermocoal and mirror used in constructing the solar cooker.

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MODERN PUBLICATION-SOURCES OF ENERGY-EXAMPLE
  1. What are the limitations of extracting energy from: the wind

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  2. A science teacher gave a project to his students to design and prepare...

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  3. A science teacher gave a project to his students to design and prepare...

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  4. State two advantages and two disadvantages of solar energy.

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  5. A family consumes 14.5 kg of LPG in 28 days. Calculate the average ene...

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  6. Hydrogen has been used as a rocket fuel would you consider it a cleane...

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  7. compare the traditional use of wind and watermill with that of modern ...

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  8. How can solar energy be harnessed? Mention any two limitations is usin...

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  9. Differentiate between renewable and non-renewable sources of energy.

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  10. Why is the use of wood as a fuel not advised although forests can be r...

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  11. What is greenhouse effect?

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  12. One gram of coal on complete combustion liberates 18kJ of heat. Calcul...

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  13. Explain why blue vitriol changes to white upon heating.

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  14. Give two examples where fractional distillation is used to separate th...

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  15. Explain why it is difficult to burn a piece of wood fresh from a tree?

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  16. Explain why pouring dry sand over the fire extinguishes it?

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  17. Explain why it is difficult to used hydrogen as a source of energy?

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  18. Why charcoal is considered better fuel than wood?

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  19. 48 kJ of energy is produced per minute in a nuclear reactor. Calculate...

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  20. Give one example of a nuclear fusion reaction.

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