How does Shaking Affect Different Types of Rocks? Exogenic Processes Introduction: At this lab station, you will explore how rocks are altered by vigorous movement such as ocean waves, falling down a rocky mountain slope in a rock or snow avalanche, or tumbling down a turbulent river. To model rocks of different hardness, you will use gravel (a harder rock) and sugar cubes (a softer rock). Shaking them will mimic the vigorous motion that occurs in ocean waves, rock avalanches, or riverbeds. Materials: • Sugar cubes (approximately 5-7) • One (1) jar with lid • Gravel (a small handful) Procedure: 1. Pick out five (5) to seven (7) sugar cubes and record your observations of the sugar cubes in your lab notebook. 2. Pick out a handful of gravel and record your observations of the gravel in your notebook. 3. Put both the sugar cubes and gravel in a jar and close the lid tightly. Then shake the contents of the jar vigorously for about five (5) minutes. You and your group mates may need to take turns so you don't get tired. 4. After five (5) minutes, open the jar and look carefully at the sugar cubes and gravel. Record your observations 5. Write down your thoughts on how abrasion (whether tumbling down a mountain, being tossed around in waves or washed down a riverbed) might affect different types of rocks. 6. Record whether you think this exploration demonstrated chemical weathering, mechanical weathering, or erosion. 7. When you've finished, clean out the station.
How does Shaking Affect Different Types of Rocks? Exogenic Processes Introduction: At this lab station, you will explore how rocks are altered by vigorous movement such as ocean waves, falling down a rocky mountain slope in a rock or snow avalanche, or tumbling down a turbulent river. To model rocks of different hardness, you will use gravel (a harder rock) and sugar cubes (a softer rock). Shaking them will mimic the vigorous motion that occurs in ocean waves, rock avalanches, or riverbeds. Materials: • Sugar cubes (approximately 5-7) • One (1) jar with lid • Gravel (a small handful) Procedure: 1. Pick out five (5) to seven (7) sugar cubes and record your observations of the sugar cubes in your lab notebook. 2. Pick out a handful of gravel and record your observations of the gravel in your notebook. 3. Put both the sugar cubes and gravel in a jar and close the lid tightly. Then shake the contents of the jar vigorously for about five (5) minutes. You and your group mates may need to take turns so you don't get tired. 4. After five (5) minutes, open the jar and look carefully at the sugar cubes and gravel. Record your observations 5. Write down your thoughts on how abrasion (whether tumbling down a mountain, being tossed around in waves or washed down a riverbed) might affect different types of rocks. 6. Record whether you think this exploration demonstrated chemical weathering, mechanical weathering, or erosion. 7. When you've finished, clean out the station.
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question
What exogenic process is being mimic in this experiment, discuss briefly.
Transcribed Image Text:How does Shaking Affect Different Types of Rocks?
Exogenic Processes
Introduction: At this lab station, you will explore how rocks are altered by vigorous movement such
as ocean waves, falling down a rocky mountain slope in a rock or snow avalanche, or tumbling down
a turbulent river. To model rocks of different hardness, you will use gravel (a harder rock) and sugar
cubes (a softer rock). Shaking them will mimic the vigorous motion that occurs in ocean waves, rock
avalanches, or riverbeds.
Materials:
• Sugar cubes (approximately 5-7)
•
One (1) jar with lid
• Gravel (a small handful)
Procedure:
1. Pick out five (5) to seven (7) sugar cubes and record your observations of the sugar cubes in
your lab notebook.
2. Pick out a handful of gravel and record your observations of the gravel in your notebook.
3. Put both the sugar cubes and gravel in a jar and close the lid tightly. Then shake the contents
of the jar vigorously for about five (5) minutes. You and your group mates may need to take
turns so you don't get tired.
4. After five (5) minutes, open the jar and look carefully at the sugar cubes and gravel. Record
your observations
5. Write down your thoughts on how abrasion (whether tumbling down a mountain, being tossed
around in waves or washed down a riverbed) might affect different types of rocks.
6. Record whether you think this exploration demonstrated chemical weathering, mechanical
weathering, or erosion.
7. When you've finished, clean out the station.
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