1. Place a rock in a container filled with water and freeze it overnight. Repeat this process multiple times to simulate the expansion and contraction caused by freezing and thawing in nature.
2. Rub the rock against a rough surface or other rocks to simulate abrasion, which is a common form of physical weathering.
3. Subject the rock to rapid temperature changes by placing it in an oven and then quickly transferring it to a freezer. This simulates the stress caused by temperature fluctuations.
4. Place the rock in a container filled with water and then heat the water gradually. The expansion of water as it freezes and thaws will cause the rock to crack and break over time.
5. Wrap the rock tightly with rubber bands and then place it in a container filled with water. Freeze the water and observe how the pressure exerted by the expanding ice causes the rock to crack.
6. Bury the rock in a container with sand or soil and then subject it to repeated wetting and drying cycles. The expansion and contraction of the soil particles will apply pressure to the rock, causing it to weather over time.
A student wants to model the physical weathering of a rock which activity could a student perform
1 answer