Saltwater & Freshwater
This is the name of the water shed Fairfax County is a part of
What is the Chesapeake Bay Watershed
The process of liquid water turning into a gas is called this.
Evaporation or Condensation?
What is evaporation?
This means to "SAVE" water.
What is conserve?
What is an element?
Made up of 1 type of atom.
the negative particle
electron
The percentage Earth’s saltwater?
97%
These are the FOUR types of precipitation. Name two.
What are rain, snow, sleet, and hail?
Trash on the ground, chemicals in the water, and dirty air are all examples of this.
Pollution or chemicals?
What is pollution?
Name 3 common elements on Earth.
Oxygen
Carbon
Nitrogen
the particles that make up the nucleus
protons and neutrons
The percentage of all freshwater on Earth.
What is 3%?
Give an example of condensation
dew on the grass
water droplets on a cold glass
foggy mirror
This is one way to protect the water shed
wash cars at the car wash
don't liter
pick up yard waste
The atomic number tells you...
The number of protons (and electrons in a stable atom)
Atomic Mass = ____________ + _____________
protons + neutrons
The percentage of fresh LIQUID water.
What is 1%?
This is the process when PLANTS give off water vapor into the air.
What is transpiration?
This is one way to conserve water indoors.
dont run water when brushing teeth
flush less
use unfinished drinking water for plants
etc.
What makes all the elements different?
The number of protons
Electrons have a _________ charge and are located_______________
negative
outside
Why is most of the freshwater on Earth unavailable?
It is in glaciers
Give an example of evaporation
boiling water disappearing
a spill drying up
a wet bathing suit drying in the sun
etc
What are 3 ways humans impact water on Earth?
pollute it
use it up
try to conserve it/protect it
ClH2CO2
How many elements?
How many atoms?
Compound or molecules?
4
6
compound
An element with an atomic number of 4 and an atomic mass of 7. How many protons, neutrons, electrons?
Draw and label the atom.
P-4
N-3
E-4