• INVOLVES 4 BIG items:– ______________– ______________________– ________– ____________________

• INVOLVES 4 BIG items:– Rain Water– ______________________– ________– ____________________

• INVOLVES 4 BIG items:– Rain Water– Carbon Dioxide----CO2– ________– ____________________

• INVOLVES 4 BIG items:– Rain Water– Carbon Dioxide----CO2– Oxygen– ____________________

• INVOLVES 4 BIG items:– Rain Water– Carbon Dioxide----CO2– Oxygen– Acids of plant decay

•Reaction of ______ with other substances

•Feldspar to ______ (Kaolinite)

•Reaction of water with other substances

•Feldspar to ______ (Kaolinite)

•Reaction of water with other substances

•Feldspar to Clay (Kaolinite)

• ________ reacting with other substances

•Makes _____

•Oxygen reacting with other substances

•Makes _____

•Oxygen reacting with other substances

•Makes rust

•Dissolved ________________•Attacks ____________ buildings

and statues

_______________ combine with

water

•Dissolved CO2 in water•Attacks ____________ buildings

and statues

_______________ combine with

water

•Dissolved CO2 in water•Attacks limestone buildings

and statues

_______________ combine with

water

•Dissolved CO2 in water•Attacks limestone buildings

and statues

CO2 and sulfur

combine with water

• Weathering takes place at a faster rate in __________________ than in cool climates. Chemical reactions are more active at ________ temperatures.

• ________ minerals weather faster than _________ minerals

• Quartz - _______ • Calcite – _______

• Weathering takes place at a faster rate in warm climates than in cool climates. Chemical reactions are more active at ________ temperatures.

• ________ minerals weather faster than _________ minerals

• Quartz - _______ • Calcite – _______

• Weathering takes place at a faster rate in warm climates than in cool climates. Chemical reactions are more active at higher temperatures.

• ________ minerals weather faster than _________ minerals

• Quartz - _______ • Calcite – _______

• Weathering takes place at a faster rate in warm climates than in cool climates. Chemical reactions are more active at higher temperatures.

• Softer minerals weather faster than _________ minerals

• Quartz - _______ • Calcite – _______

• Weathering takes place at a faster rate in warm climates than in cool climates. Chemical reactions are more active at higher temperatures.

• Softer minerals weather faster than harder minerals

• Quartz - _______ • Calcite – _______

• Weathering takes place at a faster rate in warm climates than in cool climates. Chemical reactions are more active at higher temperatures.

• Softer minerals weather faster than harder minerals

• Quartz - Slow • Calcite – _______

• Weathering takes place at a faster rate in warm climates than in cool climates. Chemical reactions are more active at higher temperatures.

• Softer minerals weather faster than harder minerals

• Quartz - Slow • Calcite – Fast

•The rate of weathering is what makes cliffs have __________ appearances.

•The rate of weathering is what makes cliffs have stepped appearances.