Summaries after sample
, New materials to meet our
Renewable, biodegradable materials energy needs
The move from natural to The question of nuclear energy
synthetic materials • Damages the health of the workers and is
• Synthetic materials can be produced quicker extremely dangerous to dispose of.
than natural materials. • Waste is often dumped in poor countries.
• Synthetic materials can be more elastic, stronger
and more durable.
• Can be used to make waterproof, wind-resistant
Environmentally friendly solar
and fire-resistant material. C4: New and
and wind energy
Sample •
Plastic is a synthetic material
Strong and can be shaped in many ways.
improved materials
•
•
Solar and wind energy are environmentally
friendly.
Renewable energy source.
• Biodegradable plastics are composed of
Summaries after sample
bioplastics – made from renewable raw
materials or petroleum-based materials
with additives.
Writing a report
• Identify and check key words.
Plastic: convenient and • Establish your purpose.
problematic • Draw up a rough plan.
• Use a logical sequence.
• Plastic replaced wood, cardboard, glass • Decide on visuals, photographs and diagrams.
and metal packaging. • Have an effective conclusion.
• Plastic is cheaper, lighter and more
durable.
• Plastic isn’t biodegradable – solid waste.
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