MAY THE FOURTH BE WITH YOU . . . .
• Pass back the new
objective sheet.
• Add Junior class mtg 10:45
Wed April 1 to calendar.
• Read the board.
• Find your inner Jedi.
LAB FEEDBACK!!
#3 CHANGING THE CARBON CYCLE
#4 – CO2 ROLE
PROGRAMMABLE THERMOSTATS – SAVE 1% OF BILL
FOR EVERY 1O CHANGE LASTING 8HRS
(DEPT OF ENERGY)
TESTS RETURNED!  WELL DONE!
• Retakes:
• 1 per six weeks
• Must be completed this week.
• Tutorials Tues, Th, Fri lunch
• Lab – rewrite parts during
tutorial
• Test – one visit to review, one
visit to retest
WE LIVE ON THE BLUE PLANET, BUT
• 97% is salt water, only 3% is fresh water
• 2.6% is locked in ice or very deep ground water
• .014% is readily available to us to use
• Remember! Less than 1% is potable.
TWO MAJOR IDEAS IN WATER UNIT:
• Supply – how will we meet a growing demand of
people and maintain environmental flows?
• Pollution – how do we prevent it, clean it up?
WATERSHED – AREA OF LAND DRAINED BY A
BODY OF WATER
WATERSHED TERMS TO KNOW AND IDENTIFY
ON ANY MAP:
• Upstream/downstream
• River source
• River mouth
• Tributary (primary, secondary, tertiary, quaternary)
• Floodplain
3 TRICKS!
WE LIVE ON THE BLUE PLANET, BUT
• 97% is salt water, only 3% is fresh water
• 2.6% is locked in ice or very deep ground water
• .014% is readily available to us to use
• Remember! Less than 1% is potable.
• Freshwater = all water on land
(aquatic species)
• Salt water = oceans (marine
species)
• Brackish water = estuaries (like
Galveston Bay!)
HOMEWORK TONIGHT – TAKE YOUR JEDI TRAINING
SERIOUSLY
• Read in textbook – pages
295-297
• Answer objective
questions #4-5
• Quiz Wed/Th over
objectives #1-10