Geography R19
Mid-Latitude and Tropical Cyclones
Separate mid-latitude cyclones from tropical cyclones by where they form, how they are built and the weather each one brings.
12 min · beginner · certificate
Geography Step 7 of 11 beginner
Local Climate: Aspect, Inversions and Valley Winds
Understand why opposite slopes heat differently, how cold air collects on a valley floor, and how anabatic and katabatic winds develop.
By the end, you can
explain aspect, temperature inversion, anabatic winds and katabatic winds in a Southern Hemisphere valley.
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Local Climate: Aspect, Inversions and Valley Winds
QUEST GEO-LOCAL-CLIMATE
Why one side of a valley is worth more
Drive through a fruit-growing valley in the Western Cape and you will see the orchards and the houses concentrated on one side, partway up the slope. That is not an accident. 🏔️
Local climate explains it: which slope gets the sun, where the cold air ends up at night, and which air moves up or down at which time of day. All three come up in Grade 12, and all three are answerable from first principles.
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What you'll cover
- 1 Why one side of a valley is worth morefree preview above
- 2 Aspect — which way the slope faces
- 3 Temperature inversion
- 4 Where the cold air comes from
- 5 Katabatic winds — downslope, at night
- 6 Anabatic winds — upslope, by day
- 7 Answering the question in the exam
- 8 The challenge
- 9 What to take with you
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Certificate of completion
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Local Climate: Aspect, Inversions and Valley Winds
LCA-2026-••••••••
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Local Climate: Aspect, Inversions and Valley Winds: questions
How long does Local Climate: Aspect, Inversions and Valley Winds take?
About 12 minutes: 9 short lessons, 2 quick checks and a 5-question final challenge. Your progress is saved after every step, so you can stop and carry on later.
How much does Local Climate: Aspect, Inversions and Valley Winds cost?
R19, paid securely online, or 19 learning credits from your wallet. You pay once: if you don’t pass the challenge, you try again at no extra cost.
What do I need to pass?
4 out of 5 on the final challenge (80%). The quick checks along the way help you learn and do not count towards your mark.
Is the certificate accredited?
No. A MicroQuest is informal learning. Your certificate proves you completed it and has a number and QR code anyone can verify, but it is not an accredited qualification or SETA/QCTO credits, and it says so.
Can I do it on my phone?
Yes. Tap Start to learn in your phone’s browser, or send QUEST GEO-LOCAL-CLIMATE to 076 263 6000 on WhatsApp. It is the same MicroQuest and the same certificate either way.
Local Climate: Aspect, Inversions and Valley Winds
R19 · 12 min · certificate