Water Pollution Lesson

Water Pollution Lesson

By Seantre Jones

Multiple Choice

What is Pollution?

• Increase in Earths temperatures
• Sudden growth in algae in a pond
• Decrease in oxygen in water
• Harmful substance in environment

Multiple Choice

What is a point-source pollution?

• Oil spilling from supertanker
• Drainpipe spilling waste into river
• Toxic Chemicals
• Single sites of waste

Multiple Choice

What is a Non-Point source Pollution?

• Soil from farms
• Acid rain
• Damaged Sewer Pipe or system 
• Salts from irrigation of farm fields

Multiple Choice

What happens in Eutrophication?

• A massive die-off of organisms due to low oxygen.

• An net increase in oxygen.

• A changing of a land biome from fertilizer.

Multiple Choice

An increase in the amount of nutrients in a lake is known as

• calcification

• cellular respiration

• eutrophication

• photosynthesis

Multiple Choice

Thermal pollution has a harmful effect on aquatic environments because

• water has been circulated around power-plant generators

• it increases the number of disease-causing organisms in aquatic environments

• it reduces the amount of dissolved oxygen in aquatic environments

• it decreases the nutrient levels in aquatic environments