"Where Does Electricity Come From" Energy PPT Courseware

Description

"Where Does Electricity Come From" Energy PPT Courseware

Electricity has a wide range of uses. It’s unimaginable what it would be like to live and work without electricity!

So, where does the electricity we use come from?

Battery

Primary battery (primary battery) Converts chemical energy into electrical energy at once.

Secondary batteries convert electrical energy into chemical energy when charging, and convert chemical energy into electrical energy when discharging.

Photocells convert light energy into electrical energy for immediate use.

power station

Hydropower stations convert water energy into electrical energy.

Thermal power plant converts thermal energy (chemical energy) into electrical energy.

Nuclear power plants convert nuclear energy (atomic energy) into electrical energy.

Wind power stations convert wind energy into electrical energy.

Most of the electricity we use in our lives and work comes from power stations.

Power stations use generators to generate electricity. How does it work?

1. A hand-cranked generator can generate electricity to light up small light bulbs.

The generator converts ( ) energy into electrical energy?

2. If you turn a small motor, will it generate electricity? Can you light a small light bulb?

3. If the small light bulb does not light up, does it mean that it is not generating electricity? Is there any other way to detect whether the small motor is emitting electricity?

The power generation principle of thermal power plant

1. Use coal to burn water in the boiler: chemical energy is converted into thermal energy.

2. High-temperature, high-pressure water vapor drives the steam turbine to rotate: thermal energy is converted into kinetic energy.

3. The steam turbine drives the generator to generate electricity: kinetic energy is converted into electrical energy.

Electrical energy is converted from other forms of energy.

Batteries convert chemical energy or light energy into electrical energy.

Power plants use generators to generate electricity, and there are many ways to generate electricity.

1. The electric energy generated by nuclear power plants is converted from ( ).

A. Kinetic energy B. Heat energy C. Atomic energy

2. The amount of power generated by the generator has nothing to do with ( ).

A. Rotation speed B. Rotation direction C. Generator size

3. Photovoltaic cells can convert ( ) into electrical energy.

A. Kinetic energy B. Heat energy C. Light energy

4. The powerful electric energy generated by the Three Gorges Hydropower Station is converted from ( ).

A. Water energy B. Heat energy C. Wind energy

( ) 1. Electrical energy is converted from other forms of energy.

( ) 2. If the small bulb does not light up when the small motor is turned, it means that the small motor does not emit electricity.

( ) 3. Generators can convert other forms of energy into electrical energy.

( ) 4. A current detector composed of a small magnetic needle and a coil can be used to detect whether the small motor is emitting electricity.

The Three Gorges Hydropower Station is the largest hydropower station in the world. The dam elevation is 185 meters, the water storage elevation is 175 meters, the reservoir is more than 600 kilometers long, and the total investment is 95.46 billion yuan. It has installed 32 hydropower units with a single capacity of 700,000 kilowatts. The last hydropower unit of the Three Gorges Hydropower Station was put into operation on July 4, 2012. This means that the Three Gorges Hydropower Station, with an installed capacity of 22.4 million kilowatts, is now the world's largest hydropower station and clean energy production base.

Keywords: Energy teaching courseware, Where does electricity come from teaching courseware, Educational Science Edition sixth grade science PPT courseware download, sixth grade science slide courseware download, Energy PPT courseware download, Where does electricity come from PPT courseware download, .PPT format;

For more information about the PPT courseware "Energy Where Electricity Comes From", please click the Energy ppt Where Electricity Comes ppt tag.

"Where Does Electricity Come From" Energy PPT Teaching Courseware:

"Where Does Electricity Come From" Energy PPT Teaching Courseware Part One: Introduction of 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 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..

File Info

Update Time: 2024-11-20

This template belongs to science courseware Science Edition for Sixth Grade Science Volume 1 industry PPT template

Preview