People's Education Edition Physics for Grade 8, Volume 2
People's Education Edition Ninth Grade Physics Complete Book
Shanghai Science Edition Ninth Grade Physics
People's Education Edition Physics for Grade 8, Volume 1
Beijing Normal University eighth grade physics volume one
Shanghai Science Edition 8th Grade Physics
Lu Jiao Edition Ninth Grade Physics Volume 1
Beijing Normal University Ninth Grade Physics Volume 1
Lu Jiao Edition Ninth Grade Physics Volume 2
Lu Ke Edition High School Physics Compulsory Course One
Guangdong and Shanghai Edition Ninth Grade Physics Volume 1
People's Education Press High School Physics Compulsory Course II
Guangdong and Shanghai version of eighth grade physics volume 2
Beijing Normal University Ninth Grade Physics Volume 2
Lu Jiao Edition Eighth Grade Physics Volume 2
Lu Jiao edition eighth grade physics volume 1
!["Energy" Energy and Sustainable Development PPT Courseware](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/1636ed6a-ff6a-4125-a16a-f470d856951c.webp)
Category | Format | Size |
---|---|---|
People's Education Edition Ninth Grade Physics Complete Book | pptx | 6 MB |
Description
"Energy" Energy and Sustainable Development PPT Courseware
Self-study test
1. The energy needed in production and life is provided by _____.
2. Coal, oil, and natural gas are collectively referred to as __________.
3. The energy that can be obtained directly from nature is called __________. The primary energy sources include _____, _____, _____, _____, _____, etc.
4. Like electricity, energy that cannot be obtained directly from nature and needs to be obtained by consuming primary energy is called __________.
collaborative inquiry
1. Our lives require energy
In these production and life, energy is consumed. Where does this energy come from?
3. Conventional energy
Solar energy Fossil energy Wind energy
Hydro energy Geothermal energy
4. What other energy sources do you know?
Tidal energy Nuclear energy Biogas
5. Where does the electricity in our lives come from?
The electrical energy in our lives is generated by generators. Generators convert wind energy, water energy, solar energy, geothermal energy, nuclear energy, etc. into electrical energy, which is transported to thousands of households through wires, and then converted into other forms of energy such as light energy, internal energy, and mechanical energy.
6. What are the advantages of using electrical energy?
Easy to transport and transform
instant practice
1. The various forms of energy are listed below: firewood, coal, oil, natural gas, wind energy, water energy, electric energy, solar energy, and geothermal energy. Which of these energy sources are fossil energy? What are primary energy sources? What are secondary energy sources? Please fill in the form below.
2. What significance does the invention of the steam engine have on mankind’s use of energy? What significance does the widespread use of electrical energy have on human energy use?
The invention of the steam engine was a new milestone in mankind's use of energy. Since then, humans have gradually replaced human and animal power with mechanical power, and the main energy source of humans has shifted from firewood to coal.
Electric energy is easy to transport and transform. We can easily convert other forms of energy into electrical energy, transport it to thousands of households through transmission lines, and then convert it into other forms of energy in electrical appliances.
instant practice
1. Which of the following are fossil energy sources ( )
A. Water energy B. Electric energy C. Petroleum D. Nuclear energy
2. Which of the following is not a primary energy source ( )
A. Wind energy B. Electric energy C. Solar energy D. Nuclear energy
After class survey
3. Based on your knowledge, describe how your household’s energy use has changed in recent decades. It is required to explain the changes in energy forms and changes in per capita energy consumption.
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File Info
Update Time: 2024-09-07
This template belongs to Physics courseware People's Education Edition Ninth Grade Physics Complete Book industry PPT template
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!["Energy" Energy and Sustainable Development PPT Courseware](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/55d782b2-4224-4665-bda9-61059d3e8a7b.webp)