G4 group #29

INVESTIGATING WATERIBG4 GROUP #29Alexandria Sheng, Christina Wu, Grace Yuen, Jenny Kim

Research QuestionWhat is the effect of increasing the salinity of water and changing the temperature of aqueous sodium chlorideon the electrical conductivity?

Variables Experiment 1Independent Variable: Salinity

Dependent Variable:Conductivity

Procedure

NaClINCREASING SALINITY

Data Collection 1

SALINITY VS CONDUCTIVITYSodium Chloride (grams) 0.005Conductivity (S / cm)0.000300.50034361.00064511.50088892.000110992.500129863.000146573.500160234.000170434.500179205.000186255.500191786.00019236

Variables Experiment 2Independent Variable:Temperature

Dependent Variable:Conductivity

Ice Water (4C)

Hot Water Bath (40-65C)

Data Collection 2

TEMPERATURE VS CONDUCTIVITYTemperature (C) 0.5Conductivity (S / cm)42882253420403798454051504354554459604666655467

Analysis

Conclusion