Claudia Martin has worked in book publishing for 17 years. She is the author of several books and websites for children and young people. Her favourite subjects are history, current affairs and technology.

• 1: What are weathering and erosion?1: What are rocks made of?1: Cliffs and caves1: Seashore sand1: Rivers1: Waterfalls1: Glaciers1: Freezing water1: Wind-blown sand1: Karst creations1: Moving masses1: How do humans cause erosion?1: Quick quiz answers1: Now test your knowledge!1: Glossary1: Further reading1: Index

Claudia Martin has worked in book publishing for 17 years. She is the author of several books and websites for children and young people. Her favourite subjects are history, current affairs and technology.

• 1: What are weathering and erosion?1: What are rocks made of?1: Cliffs and caves1: Seashore sand1: Rivers1: Waterfalls1: Glaciers1: Freezing water1: Wind-blown sand1: Karst creations1: Moving masses1: How do humans cause erosion?1: Quick quiz answers1: Now test your knowledge!1: Glossary1: Further reading1: Index

Claudia Martin has worked in book publishing for 17 years. She is the author of several books and websites for children and young people. Her favourite subjects are history, current affairs and technology.

• 1: What are weathering and erosion?1: What are rocks made of?1: Cliffs and caves1: Seashore sand1: Rivers1: Waterfalls1: Glaciers1: Freezing water1: Wind-blown sand1: Karst creations1: Moving masses1: How do humans cause erosion?1: Quick quiz answers1: Now test your knowledge!1: Glossary1: Further reading1: Index