Energy and Energy Conversions - General Physics - Exam, Exams of Physics

Download Energy and Energy Conversions - General Physics - Exam and more Exams Physics in PDF only on Docsity! Energy: General Questions 1. Why is electricity a convenient form of energy? 2. State the principle of conservation of energy. 3. What is meant by non-renewable energy? 4. Name a source of non-renewable energy? 5. What type of energy generates lightning? 6. Write down two useful changes that occur when a hairdryer is in use. 7. What is kinetic energy? 8. Give an example of electrical energy being converted to kinetic energy. 9. Name one renewable energy source that can be used in Ireland. 10. Why is this source considered to be renewable? 11. Give two ways of increasing the energy efficiency of a house. 12. Draw a diagram of an experiment to demonstrate electrical energy being converted to magnetic energy and in turn to kinetic energy. 13. Describe how to make a electromagnet. 14. Give two ways of increasing the strength of an electromagnet. 15. Complete the table. Energy Conversion Example Kinetic to Heat Rubbing your hand along a desk Chemical to Heat Potential to Sound Light to Electric 16. Instrument List two Energy conversions Electric drill