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