"Energy and its Utilization" PPT-Zhejiang Education Edition Ninth Grade Science Volume 2-Free PPT template download

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"Energy and its Utilization" PPT

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Upload Time: 2024-08-11

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"Energy and its Utilization" PPT

Part One Content: The Concept of Energy

Material resources that can provide energy, such as coal, oil, natural gas, water flow, wind, electricity, sunlight, etc., we call them energy.

People's lives, production, and scientific research are all inseparable from energy. So what types of energy do we include, and how should we develop and effectively utilize them?

Types of energy

Fossil energy (coal, oil, natural gas), solar energy, hydro energy, wind energy, biomass energy, geothermal energy, nuclear energy, tidal energy, electric energy, hydrogen energy...

Energy and its Utilization PPT, Part 2: Fossil Energy Knowledge Competition

1. Coal is formed by being buried underground due to crustal movement on Earth and undergoing complex changes under ________ conditions.

2. Petroleum is a liquid mineral that was transformed from the remains of ______ deposited in large quantities in lakes and shallow seas during the Mesozoic and Cenozoic Era.

3. "Hanshu·Geographical Notes" says that Gaonu County, Shangjun (today's Yan'an) "has water that can burn". "Shui Jing Zhu" says: "There is water in Gaonu County, which can burn fat." Duan Chengshi's "Youyang Zazu" of the Tang Dynasty also said: "Stone paint, Shizhi water in Gaonu County, is greasy and floats on the water. Like paint, if you put the paste into a car and put it into a burning lamp, it will be extremely bright." The water or stone fat recorded in these ancient documents refers to ( )

A. Oil B. Natural gas C. Coal D. Mineral water

4. The common characteristics of coal, oil and natural gas as energy sources are ( )

A. Renewable, inexhaustible, and inexhaustible

B. Non-renewable, use a little, a little less

C. All are new energy sources D. Energy sources that seriously pollute the environment

Keywords: Free download of science PPT courseware for the second volume of the ninth grade of Zhejiang Education Edition, download of energy and its utilization PPT, .PPT format;

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Update Time: 2024-08-11

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"Energy and its Utilization" PPT