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// FIELD GUIDE 07 — LEVEL L1–L2
Materials & Earth's resources
Everything you build with comes from somewhere — dug up, grown, or synthesised. Match the material to its best use, then see where it all comes from.
// MATCH — CLICK A MATERIAL, THEN ITS BEST PROPERTY
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// L1 — WHERE MATERIALS COME FROM
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// L2 — FINITE VS RENEWABLE
Some resources — metal ores, crude oil, coal — took millions of years to form and are being used far faster than they're replaced: they're finite. Others, like timber or cotton, can be regrown within a human lifetime if managed carefully: they're renewable. Recycling metals and plastics stretches finite resources further and uses far less energy than mining and refining from scratch.
// FIG. 02 — TWO WAYS TO GET WHAT WE NEED
FINITE
dig it up once
A mine or oil well can only give up its ore once. When the deposit is gone, it's gone for millions of years.
RENEWABLE
refills as we use it
A wind turbine keeps working as long as the wind blows — the resource refills at least as fast as we use it.
// REFERENCES & FURTHER READING
Cross-check against your own exam board's specification (AQA, Edexcel, OCR, SQA).
Lizard-Spock STEM Academy — learn by doingFIELD GUIDE 07 / MATERIALS & RESOURCES