Variables

THINK OF FOUR FACTORS (VARIABLES) THAT MIGHT AFFECT THE VOLTAGE PRODUCED BY A SOLAR PANEL (GROUP OF SOLAR CELLS). THERE SHOULD BE ONE VARIABLE OF EACH TYPE:

CATEGORIC =

ORDERED =

DISCRETE =

CONTINUOUS =

CARRY OUT A FAIR TEST FOR ONE OF THESE VARIABLES AND DRAW A RESULTS TABLE.

QUESTIONS (answer in full sentences)

*WHAT IS YOUR INDEPENDENT VARIABLE?

* WHAT IS YOUR DEPENDENT VARIABLE?

* HOW DID YOU ENSURE A FAIR TEST?

* WHAT SORT OF GRAPH/CHART IS THE BEST WAY OF PRESENTING YOUR RESULTS?

* WHAT KIND OF ERRORS MIGHT HAVE OCCURRED?

APPARATUS: PANALS CONSISTING OF 1,2,3 SOLAR CELLS, BLACK PAPER,WHITE PAPER, TISSUE PAPER, O.H.T. PLASTIC, 12v BULB WITH P.S.U. AND POTENTIAL DIVIDER, METRE RULE, PROTRACTOR, VOLTMETER.