| A | B |
|---|
| PHOTIC ZONE | AREAS THAT HAVE LIGHT FROM THE SUN |
| APHOTIC ZONE | AREAS THAT CONTAIN NO LIGHT |
| AEROBIC | ORGANISMS THAT USE OXYGEN TO BREAKDOWN FOOD |
| XBT | A DEVICE THAT USES ELECTRONIC SENSORS TO RECORD TEMPERATURE AND PRESSURE |
| CARBON DIOXIDE | GAS NEEDED FOR PHOTOSYNTHESIS TO OCCUR |
| COMPENSATION LAYER | WHERE PHOTOSYNTHESIS EQUALS RESPIRATION |
| PROFILE | GRAPHED DIAGRAM OF DATA COLLECTED IN A WATER COLUMN |
| ATOM | SMALLEST UNIT OF ALL MATTER |
| MOLECULE | SMALLEST UNIT OF A COMPOUND |
| POLAR | UNEQUAL SHARING OF ELECTRONS PRODUCING A CHARGED MOLECULE |
| SOLID | STATE OF MATTER |
| SALINITY | AMOUNT OF DISSOLVED SALTS IN WATER |
| DIFFUSION | MOVEMENT OF MOLEUCLES FROM AREAS OF HIGH CONCENTRATION TO AREAS OF LOW CONCENTRATION |
| ATMOSPHERE | MEASUREMENT OF PRESSURE |
| PRECIPITATION | RAIN, SLEET, HAIL, SNOW |
| HYDROGEN BOND | FORMS BETWEEN THE HYDROGEN AND OXYGEN ATOMS OF ADJACENT MOLECULES |
| EVAPORATION | PROCESS WHICH WATER MOLECULES GO FROM LIQUID TO GASEOUS PHASE |
| 4 DEGREES CELCIUS | MAXIMUM DENSITY OF WATER |
| HYDROGEN BONDS | RAISES THE HEAT CAPACITY OF WATER |
| CONSTANT PROPORTIONS | RULE THAT EXPRESSES THAT THE RELATIVE CONCENTRATIONS OF IONS DOEN NOT CHANGE |
| SECCHI DISK | USED TO MEASURE HOW MUCH LIGHT PENETRATES THROUGH THE WATER COLUMN |
| SALT | COMBINATION OF OPPOSITE CHARGED IONS |
| NEUSTON | ORGANISMS THAT LIVE IN OR ON THE SURFACE TENSION |
| DENSITY | MASS DIVIDED BY VOLUME |
| 1 ATMOSPHERE | 10 METER OF DEPTH |
