"Garbage Disposal" Environment and Us PPT Courseware

"Garbage Disposal" Environment and Us PPT Courseware
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Science Edition for Sixth Grade Science Volume 2 pptx 6 MB
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"Garbage Disposal" Environment and Us PPT Courseware

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"Garbage Disposal" Environment and Us PPT Courseware

Fine pebbles and clear water represent soil and groundwater;

Ink-soaked tissues represent buried trash;

Slowly spraying water upward represents rain.

Observed from experiments:

The ink tissue buried in the fine stones turned the water at the bottom of the bottle into ink after being sprayed with water.

This phenomenon shows that if the garbage is buried underground, harmful things will still leach out and pollute the groundwater.

Although modern new clean landfills can reduce the pollution of groundwater, soil and air by garbage, they cannot eradicate environmental pollution. Potential harm still exists, and at the same time, a large amount of land must be permanently occupied. These lands can no longer be used. For example, it cannot be used to build houses and grow crops. Burning also pollutes the atmosphere. It seems that garbage disposal is indeed a bit difficult. So how to start from the source is a more effective way to solve the garbage problem? We will continue to study this in the next lesson.

Keywords: The environment and us teaching courseware, garbage disposal teaching courseware, download the science PPT courseware for the second volume of the sixth grade in the textbook version, download the sixth grade science slide courseware, download the environment and us PPT courseware, download the garbage disposal PPT courseware, .PPT Format;

For more information about the "Environment and the Disposal of Our Garbage" PPT courseware, please click the "Environment and the Disposal of our Garbage" PPT tab.

"Garbage Disposal" Environment and Us PPT download:

"Waste Disposal" Environment and Us PPT Download Part One: Introduction of New Lessons In addition to the inevitable generation of household waste in daily life, factories, schools, hospitals, construction sites, etc. also produce a large amount of waste every day. ... ... ... Garbage place...

"Waste Disposal" Environment and Us PPT:

"Waste Disposal" Environment and Us PPT Part One: Landfill Waste Simulation Experiment For a long time, people have used the method of digging pits and landfilling in the ground to dispose of waste. Let's experimentally investigate whether this method is safe and effective. In a jar...

"Garbage Disposal" Environment and Us PPT Courseware 4:

"Garbage Disposal" Environment and Us PPT Courseware 4 What will be the impact of open-air stacking of garbage? Landfill waste simulation experiment: Method: Place washed fine pebbles about 3 cm thick into a jar, then add clean water so that the water is exactly halfway up the pebbles. ..

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Update Time: 2024-11-24

This template belongs to science courseware Science Edition for Sixth Grade Science Volume 2 industry PPT template

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