Materials part 1

Page 1

2º 2º ESO ESO TECHNOLOGY TECHNOLOGY IES IES Río Río Cabe Cabe


RAW RAW MATERIALS MATERIALS

Materias primas


RAW RAW MATERIALS MATERIALS

are substances that are extracted directly from natural objects.

Materias primas: sustancias que se extraen directamente de la naturaleza.

RAW RAW MATERIALS MATERIALS can be classified into three main categories:

● ● ●

Wool Silk Hides

● ● ●

Cotton Wood Cork

● ● ●

Marble Clay Iron ore


Processed Processed Materials Materials

Raw materials are transformed into the various types of materials that are used for manufacturing

Los materiales: las materias primas son transformadas en varios tipos de materiales que son utilizados para la industria

Paper

Plank of wood

Glass

Plastic


Manufactured Manufactured good good

is any object created by humans to satisfy their needs and improve their standard of living

Un producto es cualquier objeto creado por el ser humano para satisfacer sus necesidades y mejorar su calidad de vida


The The manufacture manufacture process process

Nature

et We g

Raw materials We process them to make

We make

Goods

Materials


Problems Problems derived derived from from the the use use of of materials materials

Resources Resources exhaustion exhaustion Agotamiento de los recursos

Waste Waste generation generation Generaci贸n de residuos

Raw material not renewable


The The material material savings savings can can be be achieved achieved if if we we follow follow some some tips tips

REDUCE EDUCE

Reducir

REUSE EUSE

Reutilizar

RECYCLE ECYCLE Reciclar

La cantidad de residuos generados en casa, en el instituto, etc. Aprovechar los residuos para fabricar otras cosas Obtener nuevos productos a partir de materiales de desecho


Write Write the the waste waste products products under under the the correct correct container container they they belong belong in: in: Newspaper – Drink can – Cardboard box – Glass bottle Milk carton - Potato peelings – Paper bag – Ice cream box - Plastic bag – Shampoo bottle – Chicken pieces

Yellow

Blue

Dark green

Light green

container

container

container

container


Important Important concepts: concepts: Recycable

Material que, tras utilizarlo, sigue teniendo propiedades que permiten elaborar nuevos productos.

Renewable

Material de origen natural que tiene una capacidad de renovación cíclica corta

Reciclable

Renovable

Biodegradable Biodegradable

Toxic Tóxico

Sustancia asimilable por el medio a través de procesos bioquímicos

Sustancia que puede ser dañina o mortal para los seres vivos


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