GEOGRAPHY COMMON ENTRANCE REVISION GUIDE

TABLE OF CONTENTS

1. INTRODUCTION
2. WEATHER AND CLIMATE
3. QUESTIONS
4. GLOSSARY
5. GEOMORPHOLOGY
   1. Onion-skin weathering
   2. Biological weathering

Onion-skin weathering (common in desert areas which are hot in day and cool at night)

• rock is repeatedly subjected to heat and cold
• outer layer expands in heat
• outer layer contracts in cold
• outer layer of rock peels off (loose rock known as scree)