How much salt is there in rock salt? 7H Solutions How much salt is there in rock salt? Howden School and Technology College

Howden School and Technology College Objective To calculate and conclude which rock salt sample contains the most salt. Howden School and Technology College

Obtaining your evidence Level In my experiment, I can ....... 3 use simple equipment to make measurements e.g. length and mass make basic observations 4 make enough measurements and/or observations for the investigation 5 make a series of measurements and/or observations that are accurate spot that a result is “odd” and repeat the experiment Howden School and Technology College

Getting salt from rock salt Dissolve Filter Evaporate Howden School and Technology College

Howden School and Technology College How much salt? Weigh the salt at the end of the experiment Mass of pure salt Percentage of salt obtained X 100 = Mass of rock salt used Weigh the rock salt at the start of the experiment Howden School and Technology College

Howden School and Technology College Making a conclusion Level In my conclusion, I can ....... 3 give some explanation for the patterns and observations 4 use scientific language to: explain the patterns shown in my graphs use the patterns in my graphs to draw conclusions link the conclusion to my prediction 5 use knowledge and understanding of level 5 science to : use these patterns and any other results to draw conclusions Howden School and Technology College

Which sample had the most salt? Howden School and Technology College