Water Quality

Which of the following is a common water pollutant that can harm aquatic life?

• Pesticides
• Sunlight
• Sand
• Oxygen

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is a primary source of pollution that can lead to water contamination?

• Sewage
• Rainwater
• Ice
• Leaves

Tags

NGSS.MS-ESS3-4

Which substance is often used to treat drinking water but can become harmful at high levels?

• Chlorine
• Hydrogen
• Carbon Dioxide
• Nitrogen

What type of pollutant can enter water systems from factories and can be very dangerous to health?

• Heavy metals
• Plastic bags
• Plant nutrients
• Pollen

What is the process called when pollutants are carried away from land into water bodies by rain or wind?

• Runoff
• Evaporation
• Filtration
• Precipitation

Which of the following is a sign of poor water quality?

• Unpleasant odor
• Clear appearance
• High flow rate
• Cold temperature

What is the term for the process by which plants and animals break down organic matter in water?

• Decomposition
• Evaporation
• Photosynthesis
• Respiration

Which of the following is a method to measure water quality?

• pH testing
• Color mixing
• Weight measuring
• Temperature counting

Tags

NGSS.MS-PS1-2

Which household item can contribute to water pollution when disposed of improperly?

• Batteries
• Plastic utensils
• Paper towels
• Empty food cans

Which type of farming practice can lead to nutrient pollution in water bodies?

• Fertilizer runoff
• Crop rotation
• Irrigation techniques
• Organic farming

Tags

NGSS.MS-ESS3-4