• What is it about?
  • Introduction: Video clip raw material for the green
  • In-depth: Video clip on secondary raw materials from used tyres
  • Teamwork: Secondary raw materials and renewable raw materials in landscaping
  • Educational game: City, country, raw material
  • Learning quiz: 5 questions about raw materials
  • Excursus: Tyres as a source of raw materials

What is it about?

Raw materials are unprocessed basic materials extracted from nature that are consumed immediately or sent for industrial processing. There are renewable raw materials such as wood or water, which are constantly replenished by nature, and non-renewable raw materials such as metals and minerals, which are only available in limited quantities and may one day run out for good.

Primary raw materials are unprocessed raw materials apart from their extraction, such as fresh wood fibres from felled trees for paper production or natural rubber for tyre production. Secondary raw materials, on the other hand, are obtained by recycling discarded or used products, such as wood fibres from waste paper, compost from plant waste, metal from old gutters or rubber granulate from used tyres. Secondary raw materials help to avoid waste and conserve the earth's limited natural resources.

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Contents

Lesson 4: Raw materials for the roof 1
Raw materials
Start of lesson 4: Raw materials

Educational film: Raw material for the roof

We have prepared a film to introduce the topic and raise pupils' awareness of the importance of raw materials for the roofing trade. The film focuses primarily on secondary raw materials. These are obtained by processing (recycling) discarded material (in the film example from old tyres). In this way, they contribute to climate protection, waste avoidance and the conservation of finite natural resources. The film can be followed by a short discussion with the class on the importance of raw materials for the roofing trade.

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Excursus: Secondary raw materials from used tyres

Valuable secondary raw materials - also for the roofing trade - can be obtained by recycling old tyres. In addition to high-quality rubber granules, this also includes the steel and textile fibres contained in tyres. However, other used car parts must also be disposed of properly and recycled in the best possible way. The more recycled secondary raw materials are returned to the material cycle, the better it is for our environment.

NEW LIFE Partner Estato Environmental Service handles the complete workshop disposal of around 600 branches of the A.T.U Group.

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Teamwork: Secondary raw materials and renewable raw materials in the roofing trade

Teamwork: Secondary raw materials and renewable raw materials in landscaping

The roofing trade is also increasingly using products and materials made from natural, renewable raw materials as well as products made from sustainably recycled secondary raw materials. For example, roof trusses and battens made from wood, roof tiles made from clay or plants for green roofs. 

In teamwork, the first step is to draw up a list of the raw materials used to manufacture products in the roofing trade. The next step is to jointly consider how products/materials made from non-renewable raw materials or raw materials with a poor CO2 balance could be replaced in an environmentally friendly way. 

In small groups, find as many sustainable raw material alternatives as possible and then collate your results.

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Raw materials for the roof
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Educational game: City, country, roof

After the pupils have dealt with the topic of raw materials, the knowledge they have acquired so far can be deepened and expanded in a playful way. We have prepared a variation of the well-known game CITY, COUNTRY, RIVER for this purpose.

First choose a letter from the alphabet. Then the pupils have 60 seconds to write down a term with the corresponding initial letter for each category if possible. The pupil receives 10 points for each correct term. If a pupil is the only one in the class to write down a term, they receive 20 points. The game can be played individually or in small groups.

 

Lesson 4: Raw materials for the roof 2
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Learning quiz: 5 questions about raw materials

In a quiz, pupils can once again engage with the topic of raw materials in a fun way. There are four alternative answers to each question, at least one of which must be correct. The quiz can be played together with the whole class in small groups or by each pupil individually. The correct solution should be discussed briefly afterwards.

Click on the graphic to display the resolution in which the correct answer(s) is/are highlighted. Click again to display the next question. Note: The quiz questions can of course also be printed out.

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Raw materials quiz 2
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Raw materials quiz 7
Raw materials quiz 8
Raw materials quiz 9
Raw materials quiz 10

Excursus: Tyres as a source of raw materials

Passenger and commercial vehicle tyres are an important basis for transport, logistics and individual mobility. Around 538 tonnes of used tyres were generated in Germany in 2021. The more of these tyres are recycled into new raw materials in an environmentally friendly way, the better for people, the economy and the environment. 

Especially as used tyres are a rich and versatile source of raw materials. Tyre recycling can be used to recover valuable secondary raw materials such as steel, rubber and textile fibres, which can be used to conserve natural resources such as rubber.

Most of the rubber recycled from old tyres is ground into rubber granulate. This can be used to produce a considerable variety of durable, sustainable products for the roofing trade. Vulcanised recycled rubber can also be used to manufacture new tyres without compromising on quality. And the pyrolysis process can be used to regenerate valuable raw materials for industry, such as pelletised carbon black (revovered CarbonBlack).

Task: What do you think is the approximate percentage of raw materials contained in a tyre? Click on the image to see the result.

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Certificate of participation for pupils and trainees

You can issue students and trainees with a certificate of attendance to document their successful participation in the eight lessons. The Free template for the certificate can be requested here without obligation.

Request your certificate of participation now free of charge and without obligation
Lesson 4: Raw materials for the roof 3

Free sample pack with teaching material to accompany your lessons

Lesson 4: Raw materials for the roof 4

To better convey the lesson content in class, you can free of charge and without obligation request a sample pack with material samples, information brochures and demo products.

The package contains samples of coloured rubber granulate, samples of high-quality recycled products made from tyre rubber granulate and a sample box with samples of sustainable floor coverings for roofs.

I hereby request a free, no-obligation
NEW LIFE school package for the classroom.

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