Key Concepts Rewrite the following sentences in your copybook and fill in the blanks. 1. Three materials commonly used in everyday life are: __________ __________ __________.
2. A source of wood is __________; a source of metal is __________ ; a source of plastics is __________.
3. Metals are obtained through the process of __________. 4. A consequence for the environment of obtaining wood is _____________________. 5. A consequence for the environment of obtaining metal is _____________________. 6. A consequence for the environment of obtaining plastics is __________________. 7. The lifespans of (a) newspaper, (b) an aluminium can and (c) a plastic bottle are (a) _________, (b) _______ and (c) _________.
8. Recycling is better than bringing rubbish to a landfill site because ____________________ ___________________________________________________.
9. Four materials commonly recycled using recycling bins in Ireland are: (a) __________ (b) ___________ (c) __________ (d) __________.
10. Four materials that can be recycled in Ireland but not by using a recycling bin are: (a) __________ (b) __________ (c) __________ (d) __________.
K U
Knowledge and Understanding 1. Packaging is unavoidable but many products use excess packaging, for example Easter eggs
and food products that are individually wrapped. Give three actions that you can take to reduce the amount of packaging you use.
2. Reduce, Reuse, Recycle is a slogan that is used to encourage people to reduce their impact on the environment. Explain how this approach can achieve this.
3. Waste can cause a lot of harm to the environment. List five ways in which waste can harm plants, animals and the environment.
4. Group work: Design a poster that could be used in a school campaign to encourage students to use materials in a more sustainable way.
T I
Thinking and Investigating 1. Find out how much longer Tetra Pak cartons take to decompose than cardboard.
2. Explain why charities look for people’s old mobile phones. In your answer refer to the materials that are used to manufacture mobile phones.
