Properties of water
This property allows water molecules to stick to each other.
Cohesion
What type of bond forms between water molecules due to polarity?
Hydrogen bonds
What is the process where excess nutrients cause algae blooms in water?
Eutrophication
What is an organism used to monitor the health of an environment or ecosystem?
Bioindicator
What is a sign of a healthy ecosystem?
High biodiversity
What is the curved surface of water in a graduated cylinder?
Meniscus
What term describes molecules that are “water-loving”?
Hydrophillic
What are two nutrients in fertilizer that contribute to eutrophication?
Phosphorus and Nitrates
What group of organisms is commonly used as bioindicators in freshwater ecosystems?
Macroinvertebrates
What indicates good water quality in a stream?
Presence of mayflies and stoneflies
What is the process that allows water to climb up thin tubes, like plant stems?
Capillary action
What term describes molecules that repel water?
Hydrophobic
What is the main source of phosphorus and nitrates entering waterways?
Fertilizer Runoff
What type of animal is sensitive to pollution and often used to assess ecosystem health?
Amphibians
What are signs of poor water quality due to eutrophication?
Low oxygen levels and algae blooms
What causes water to have high surface tension?
Hydrogen Bonds
What term describes water’s ability to dissolve many substances?
Universal Solvent
What environmental issue can lead to fish dying due to lack of oxygen?
Oxygen Depletion
What term describes the variety of life and is often measured to evaluate ecosystem health?
Biodiversity
What suggests that an ecosystem is under stress or polluted?
Absence of pollution-sensitive species
What is the property that allows water to absorb a lot of heat before changing temperature?
What is the reason oil and water don’t mix?
Polarity
What is the term for the runoff of fertilizers into lakes and rivers?
Nutrient Pollution
What type of species disappears when water quality declines?
Pollution-sensitive species
What chemical indicators suggest poor water quality?
High levels of nitrates and phosphates