Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 2, Textbook Edition
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Fourth-grade science volume 2 of the E-education edition
Qingdao Edition Fourth Grade Science Volume 2
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 1
E-education edition fifth grade science volume 2
E-education edition sixth grade science volume 1
Fifth Grade Science Volume 2, Textbook Edition
Zhejiang Education Edition Seventh Grade Science Volume 2
Qingdao Edition Fourth Grade Science Volume 1
Category | Format | Size |
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Science Edition for Sixth Grade Science Volume 1 | pptx | 6 MB |
Description
"Where Does Electricity Come From" Energy PPT Teaching Courseware
Part 1: Importing new lessons
Electricity has a wide range of uses and is easy to use. People's lives are increasingly inseparable from it. So, where does the electricity we use come from? Today, we will study this issue together.
Where does electric energy come from PPT, part 2 content: new lesson learning
Electricity has a wide range of uses and is easy to use. People are increasingly inseparable from electricity. Where does the electricity we use come from?
review review
In the previous lesson, we learned about the conversion of electrical energy into other forms of energy. This lesson recognizes the conversion of other forms of energy into electrical energy.
Expand experiments
Insert the copper and zinc sheets (waste battery casings) into a cup filled with concentrated salt water, and connect them with leads to a "current detector" (a device in which a coil is wound around a compass box). It can be seen that a current is generated. Electric current can also be detected by inserting copper and zinc sheets into fruit.
How else can we get electricity?
Turning the hand generator generates electricity to light up small light bulbs. If you turn a small electric motor, will it generate electricity? Can you light a small light bulb?
Mechanical energy is converted into electrical energy and lights up the small light bulb
Can a small electric motor generate electricity?
Connect the small light bulb as in the illustration, rub the shaft of the small motor hard with your hands to make the small motor rotate, but the small light bulb will not light up. How do you know if the small motor is generating electricity? Wind the coil around the compass box as you did in Lesson 1, and turn the compass box so that the direction of the magnetic needle matches the direction in which the coil is wound. Then rub the shaft of the small motor with your hands, and you can see that the compass is deflected. Prove that we sent the call.
Where does electric energy come from PPT, the third part: conclusion summary
1. Electricity is not a naturally occurring energy source, but a secondary energy source converted from other energy sources (wind energy, water energy, thermal energy, etc.).
2. Electrical energy is converted from other forms of energy.
Where does electricity come from PPT, Part 4: Classroom exercises
(1) Multiple choice questions
1. The electricity used by household appliances such as lights and televisions is supplied by ( ).
A. Power station B. In the battery
2. The electricity used by household appliances is ( )
A. different B. same
3. ( ) There is a risk of electric shock, ( ) There is no risk of electric shock.
A. Dry battery (direct current) B. Alternating current
(2) Judgment questions
1. The electricity in the battery can also drive machines, electric fans, refrigerators, etc. ( )
2. Our country has built many power stations, such as thermal power stations, hydroelectric power stations, Qinshan Nuclear Power Station, etc. all over the country. ( )
Where does electric energy come from PPT, part 5: homework assignments
Read the information to learn more about the process of generating electricity in a thermal power plant.
Keywords: Free download of Chinese PPT courseware for the first volume of the sixth grade in the textbook version, where does electricity come from PPT download, energy PPT download, .PPT format;
For more information about the PPT courseware "Energy Where Electricity Comes from", please click the Energy PPT Where Electricity Comes from PPT tab.
"Where Does Electricity Come From" Energy PPT Download:
"Where Does Electricity Come From" Energy PPT Download Part One: Situation Introduction Everything must be powered on to work. What should you do if you want the electric fan to rotate and the TV to play audio and video? ... ... ... Where does electric energy come from PPT, Part 2: Cooperation...
"Where Does Electricity Come From" Energy PPT:
"Where Does Electricity Come From" Energy PPT Part One: Various Batteries Do we recognize these batteries? How are they similar and different? What energy do they convert into electrical energy? Manganese-zinc battery is the most commonly used battery, commonly known as dry battery..
"Transmission of Electric Energy" Where does electric energy come from PPT courseware 3:
"Transmission of Electric Energy" Where does electric energy come from PPT courseware 3 Transmission of electric energy In order to make reasonable use of energy, power stations must be built close to these energy sources. However, there are many places where electricity is used. For example: Some places are far away from power stations, so it is necessary to Transmitting electrical energy to distant places involves...
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Update Time: 2024-10-20
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