Where is the 3% of fresh water found on earth?
In polar ice caps
What is a watershed?
An area of LAND that water flows across through on its way to a stream, lake or other body of water
Which tool measures Salinity?
Refractometer
After 10 minutes, what is the temperature?
70 C
What does the Atomic Number tell us?
The number of PROTONS and ELECTRONS in the element
C6H12O6
How many Elements?
3
Where does most of the pollution go once it leaves the Chesapeake Bay?
The Atlantic Ocean
What are the BIOTIC factors that affect wetlands? (name at least 2)
Humans, Plants, Animals
Which tool measures Turbidity?
Turbidity Meter
Predict the temperature at 25 minutes.
30-35 C
What does the atomic symbol tell us?
The identity of the element. It's the abbreviated name.
C6H12O6
How many atoms?
24
Where is the 97% of salt water found on Earth?
Oceans
What are ABIOTIC factors that affect watersheds? (Name at least 2)
POLLUTION, FERTILIZERS, OIL SPILLS, etc.
Which tool measures acidity?
pH probe
According to the graph, what is the Independent Variable?
Time
What does the atomic mass tell us?
The average amount of protons and neutrons in an atom
H3O2
Illustrate what the molecule would look like.
The teacher will check your answer from your whiteboard.
What is an Estuary?
A body of water that has brackish water. (partly salty and partly fresh)
What are the functions of WETLANDS (name 3)
1. Absorb Flood Water
2. Filters Pollution
3. Provides Habitat for Animals
Which tool measures dissolved oxygen?
Dissolved Oxygen Meter
According to the graph, what is the Dependent Variable?
Temperature
What is the best way to identify the number of neutrons in an atom?
Subtract the atomic number from the atom mass
According to the equation, what is happening?
H2 + O -> H2O
The elements combine chemically to create a new substance.
What is the largest estuary in the United States?
Chesapeake Bay
What can humans do to help the watershed?
Build Retention Ponds
Stop dumping chemicals into the waterways
Plant native vegetation near waterways
Which tool measures Temperature?
Thermometer
As time (increases/decreases) the temperature (increases/decreases)
As time INCREASES the temperature DECREASES
Illustrate an atom. Include its particles and its charges.
Include: protons, neutrons, electrons, nucleus, electron shells
The teacher will check your answer on the whiteboard.
NaCl2 is an example of a :
A. Mixture
B. Element
C. Compound
D. Gas
Compound