| Category | Format | Size |
|---|---|---|
| People's Education Press Ninth Grade Chemistry Volume 1 | pptx | 6 MB |
"Rational Utilization and Development of Fuels" Fuels and their Utilization PPT (Lesson 1)
Description
"Rational Utilization and Development of Fuels" Fuels and their Utilization PPT (Lesson 1), 24 pages in total.
learning target
1. Understand the energy changes in chemical reactions and understand the importance of complete combustion of fuel.
2. Know that fossil fuels are important natural resources for mankind, understand the non-renewable nature of fossil fuels, and understand the importance of rational exploitation and economical use of fossil fuels.
3. Have a preliminary understanding of several important products produced from petroleum refining and their uses.
independent inquiry
1. Energy changes in chemical reactions
1. Read page 136 of the textbook and complete the following blanks
2. Read page 136 of the textbook and give examples of the importance of fuel to human life.
2. Utilization of fossil fuels
The three largest fossil fuels currently used by people
Self-learning
1. Read page 137 of the textbook and talk about why fossil fuels are non-renewable energy sources.
2. Read pages 138-139 of the textbook and fill in the blanks
(1) Coal is a ____ substance, mainly containing ____ elements, also containing ____ elements and a small amount of ____, ____, and oxygen elements; the combustion products are CO2, NO2, ____, etc.
(2) Petroleum is also a ____ substance, mainly containing carbon and hydrogen elements (a small amount of nitrogen and sulfur elements); the petroleum fractionation products are mainly ____, ____, ____, etc.
Classroom meets standards
1. Human life requires energy. The following energy is mainly produced by chemical changes ( )
A. The heat emitted by the electric iron when it is powered on
B. The light emitted by the electric lamp
C. Hydropower stations use electricity generated by water conservancy
D. The heat released by the combustion of liquefied petroleum gas
2. Which of the following statements about coal, oil and natural gas is wrong ()
A. All are renewable energy sources
B. The reserves on the earth are limited.
C. All are mixtures
D. Carbon dioxide is produced during complete combustion.
Keywords: Free download of PPT courseware for the ninth grade of Chemistry from the People's Education Press, PPT download on the rational utilization and development of fuels, PPT download on fuels and their utilization, .PPT format;
For more information about the PPT courseware "Fuel and its utilization, rational utilization and development of fuel", please click on the "Fuel and its utilization, rational utilization and development of fuel" PPT tag.
"Rational Utilization and Development of Fuels" Fuels and their Utilization PPT Courseware (Lesson 2):
"Rational Utilization and Development of Fuels" PPT courseware on fuels and their utilization (Lesson 2), 17 pages in total. Introduction of new lesson: When you are walking on the road and a car passes you, how do you feel? Why is there so much smog in winter? ... ... ... New course explanation...
"Rational Utilization and Development of Fuels" Fuels and their Utilization PPT Courseware (Lesson 1):
"Rational Utilization and Development of Fuels" PPT courseware on fuels and their utilization (Lesson 1), 22 pages in total. New Lesson Introduction Fuel combustion produces heat. So, is heat only obtained through combustion? ... ... ... New lesson explanation 1. Energy in chemical reactions...
"Rational Utilization and Development of Fuels" Fuels and their Utilization PPT (Lesson 2):
"Rational Utilization and Development of Fuels" Fuels and their Utilization PPT (Lesson 2), 23 pages in total. Learning Objectives 1. Collect information through reviewing materials and describe the impact of fossil fuel combustion on the environment. 2. Remember the principles, instruments, steps, collection methods and hydrogen production...
File Info
Update Time: 2024-08-02
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