Meaning of pond scum

1. The pond scum covered the surface of the water, creating a green film.
2. The smell of the pond scum was overpowering as we walked along the edge of the lake.
3. The children tried to avoid stepping in the pond scum as they played near the water's edge.
4. The pond scum made it difficult to see the fish swimming beneath the surface.
5. The ducks paddled through the pond scum, leaving a trail of ripples in their wake.
6. We decided not to swim in the pond because of the thick layer of scum covering the water.
7. The pond scum was so thick that it looked like a solid mass floating on the surface.
8. The biologist studied the pond scum to determine its effects on the local ecosystem.
9. The algae that formed the pond scum provided a habitat for a variety of small creatures.
10. The city council voted to clean up the pond scum in order to improve the appearance of the park.