Rules
What is the maximum number of competitors aloud for this event?
2 people
what is the term that describes the measure of how acidic or basic water is from 0-14?
PH
what is the main thing you are supposed to study for this event?
Water
If a stream suddenly has a large increase in algae growth after heavy rain near farms, what is the most likely cause?
Nutrient runoff
In this event which identification is typically a major scored component macroinvertibrates or Aquatic organisms?
Aquatic organisms
What word describes water that contains a high amount of dissolved oxygen, making it healthier for aquatic life?
Oxygenated
What do scientists test to make sure water is healthy for other fish and other living things?
Water quality
If a stream suddenly has a large increase in algae growth after heavy rain near farms, what is the most likely cause?
Fish dying
What is the time limit for this event?
50 minutes
What process happens when excess nutrients like nitrogen and phosphorus cause algae to grow rapidly in a body of water?
eutrophication
what is it called when too much trash is in the water?
Pollution
A stream has many mayfly and stone-fly larvae. What suggests the water quality is probably this?
Clean
What resource is allowed for this event that comes in 8.5 by 11 inch sheets?
A reference sheet
What are small water animals without backbones used to test stream health?
Macro-invertebrates
What is it called when fish and insects line is water and are a part of this water system?
Ecosystem
Between two streams, what is the one with lower turbidity would most likely allow more of this to reach underwater plant?
sunlight
How many reference sheets are you allowed in this event?
what happens when too many nutrients cause too much algae to grow in water?
eutrophication
what is it called when water has less of this gas dissolved in it, when fish might have trouble surviving?
Dissolved Oxygen
If pollution increases the biochemical oxygen demand (BOD) in a stream, the dissolved oxygen levels will most likely do what?
decrease