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