What is a meniscus being formed? or drops left in a glass of water when we are drinking?
100
This is why an ice cube floats in water.
What is that the ice has lower density than the water?
100
The cloudiness in water is called this.
What is turbidity?
100
This is what a water molecule is made up of including the charges.
What is 2 hydrogen atoms (slightly positive) and one oxygen atom (slightly negative)
200
This is how much of the Earth is covered in water.
What is 70%?
200
This is an example of cohesion in water.
What is an insect walking across the water?
200
This is what it's called when adhesion occurs when measuring water in a cylinder or measuring cup.
What is a meniscus?
200
A factory smokestack is an example of this type of pollution.
What is point source pollution?
200
This is what we measure turbidity with in water.
What is a Secchi Disk?
300
When water evaporates from plants into the air it is this.
What is transpiration?
300
This happens to the oxygen level in water as it gets warmer.
What is it decreases?
300
This is why water drops form when water spills.
What is cohesion?
300
This is what may cause an algal bloom.
What is nitrates from lawn fertilizers washing into lakes, streams and ponds?
300
What does a bioindicator do and give an example of one.
Bioindicators alert scientists to changes in then level of oxygen, nutrients or pollutants in the water. An example would be a coral reef bleaching itself due to lack of oxygen.
400
This property of water affects climates in coastal areas and provides stable water temperature for aquatic life.
What is it's high specific heat?
400
This is how a lake freezing in the winter protects the organisms below the water.
What is the ice insulates and keeps the water below it from freezing as well?
400
This property allows water molecules to attract to each other.
What is polarity?
400
Fish need this to breath in the water.
What is dissolved oxygen?
400
What is is called when we monitor changes in Earth's water storage, compare water and water quality over time by observing with satellite pictures from above the water?
What is remote sensing?
500
What is so special about 4 degrees celcius in fresh water?
What is the point that it is the most dense?
500
List three ways water is necessary for life processes (biological functions) of organisms.
What is photosynthesis, transport of nutrients to and from cells, and regulate body temperature through sweating?
500
This is what gives water it's unique properties.
What is it's molecular structure?
500
You find empty coke cans floating in the creek behind your house. This is an example of what type of pollution.
What is non-point source pollution?
500
These are 3 ways scientists determine water quality.
What are the amount of oxygen, the type and number of organisms and the amount of sediment/turbidity?