Rainwater collected in a container (like a pail or drum):This represents rainfall, which is a natural event where water falls from clouds due to condensation.→ You can draw a container outside with raindrops falling into it.A small crack in the wall caused by a past earthquakeThis shows the effect of an earthquake, a natural shaking of the ground caused by movement of the Earth's plates.→ You can draw the wall with a small zigzag crack and label it.