"Energy and Sustainable Development" Energy and Sustainable Development PPT download

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"Energy and Sustainable Development" Energy and Sustainable Development PPT download

Part One: Learning Objectives

1. Know that energy conversion and transfer have certain directions.

2. List common non-renewable energy sources and renewable energy sources.

3. Have a sense of sustainable development in the development and utilization of energy.

Learning points

List common non-renewable and renewable energy sources.

Energy and Sustainable Development PPT, Part 2: Preview before class

1. The transformation and transfer of energy are all __________. People use energy in the process of energy transformation or transfer. The use of energy is conditional. The energy we can use is limited, so we need __________ energy.

2. The impact of energy consumption on the environment: __________, ____________, we must not only effectively ____________, but also control and eliminate __________ well.

3. Fossil energy, nuclear energy and other energy sources will become less and less and cannot be replenished from nature in the short term. This type of energy is called ____________ energy. Wind energy, water energy, solar energy, etc. can be obtained continuously in nature, which is called __________ energy.

Energy and Sustainable Development PPT, Part 3: Classroom Introduction

1. Directionality of energy transfer and energy conversion

Think and discuss:

1. How is heat transferred during heat transfer?

Heat transfers spontaneously from high-temperature objects to low-temperature objects.

2. When a car brakes, what energy is converted into what energy is consumed? Can this consumed energy be used automatically to drive the car?

Conclusion: The transfer and transformation of energy are __________.

2. Impact of energy consumption on the environment

1. Think and discuss: When consuming various energy sources, will it cause damage to the environment? In the table below, "√" indicates that a large amount of this type of energy will cause significant damage to the environment, and "×" indicates that it will not cause obvious damage to the environment.

2. Recommendations for energy use:

We must not only use energy effectively, but also control and eliminate pollution well.

3. Energy and sustainable development

Read the content of textbook P180 and learn relevant knowledge.

1. Energy that cannot be replenished from nature in the short term is non-renewable energy, such as: _____________, __________, etc.

2. Renewable energy can be obtained continuously in nature, such as: __________, __________, __________, etc.

3. The conditions that ideal energy in the future needs to meet: it must be cheap enough to ensure that most people can afford it; the relevant technology must be mature enough to ensure large-scale use; it must be safe and clean enough to ensure that it will not seriously affect the environment.

Energy and Sustainable Development PPT, Part 4: After-class Practice Cases

1. (2017·Huaihua) On May 10, 2017, my country successfully tested "combustible ice" in the South China Sea. "Combustible ice" is a natural gas hydrate formed by CH4 and water at low temperature and high pressure. It is a kind of natural gas hydrate with abundant reserves and high heat. Value, environmentally friendly new energy. it belongs to()

A． Renewable energy B. Non-renewable energy

C. Biomass energy D. secondary energy

2. (2017·Shiyan) Which of the following energy sources are renewable energy sources ()

A． Solar energy b. coal

C. natural gas d. nuclear energy

3. (2017·Chenzhou) On June 2, 2017, US President Trump announced his withdrawal from the Paris Agreement. However, energy conservation, emission reduction and environmental protection are the common responsibilities of all mankind. The following practices in daily life are reasonable ()

A． Throw used batteries into the trash can at will

B． The TV at home can be on standby for a long time

C. In order to save energy, reduce emissions and protect the environment, all factories with high energy consumption and high pollution will be shut down.

D. Wastewater is discharged directly into rivers

4. As shown in the figure below, electricity is obtained by consuming non-renewable energy sources ()

A． solar panel

B． Wind Turbines

C. hydroelectric generator

D. Nuclear power generator

5. Which of the following statements is correct ()

A． The ideal energy source of the future must be able to replace nuclear energy, hydro energy, and wind energy on a large scale.

B． The ideal energy source of the future must be able to replace solar energy on a large scale

C. The ideal energy source of the future must be able to replace fossil energy on a large scale

D. All the above statements are correct

6． The fundamental way to permanently solve humankind’s energy needs is ()

A． Making the Most of the Earth’s Fossil Fuel Resources

B． Improve processes and increase energy efficiency

C. Rely on scientific and technological progress and continuously develop new energy sources

D. Use as little energy as possible

7． Which statement about energy use is correct ()

A． Water energy, wind energy, tidal energy, and solar energy are green energies that should be vigorously developed and utilized

B． Coal, oil, solar energy, and natural gas are all non-renewable resources

C. Nuclear power plants use the energy released by the fusion of atomic nuclei to generate electricity

D. The fuel used in rocket launches is liquid hydrogen because it contains a lot of heat.

8. The energy issue is one of the three basic issues in the development of modern society. In the energy family: ① coal, ② nuclear energy, ③ petroleum, ④ natural gas, ⑤ water energy, ⑥ wind energy, ⑦ geothermal energy, etc., those that are non-renewable are _______________; those that do not come directly or indirectly from the sun are _________. (optional serial number)

9. The energy crisis restricts the development of modern society. The development and utilization of renewable energy is an important measure for mankind to solve energy problems on its own.

(1) At present, fossil fuels such as coal, oil, and natural gas have become the most important energy sources. Their extensive use has broken the balance of the carbon cycle in the biosphere, causing the content of _____________ in the atmosphere to rapidly increase, leading to an increase in global temperatures.

(2) Hydrogen energy is one of the new energy sources being developed in my country. The main way to use it is to form a primary battery. From the perspective of energy conversion, the primary battery is a device that converts __________ into electrical energy.

Keywords: Free download of PPT courseware for ninth-grade physics from People's Education Edition, PPT download on energy and sustainable development, .PPT format;

For more information about the "Energy and Sustainable Development" PPT courseware, please click the Energy and Sustainable Development ppt tab.

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Update Time: 2024-11-19

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