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 1 O 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 Answer objective questions #4-5 Quiz Wed/Th over objectives #1-10