Lab Report: Physical and Chemical Changes

Purpose: To investigate the difference between physical and chemical changes in matter. Materials: Safety glasses 13 small test tubes Test tube rack Test tube holder 2 100-mL beakers Funnel Watch glass Stirring rod Evaporating dish Magnet Magnifying glass Crucible tongs Spatula Balance Meeker burner Ring stand Iron ring Wire gauze Forceps Sulfur Iron filings Sodium Bicarbonate Sodium Chloride Sugar Sand Magnesium ribbon Hydrochloric Acid Distilled water Filter paper 9 disposable dishes Procedure: 1. Label 7 of the dishes with the …

…little; Fizzes Combusted product reacted with acid<Tab/>Temperature rises a lot; Fizzes Sugar heated<Tab/>Smelled like burnt marshmallows; Smoked; Turned black Sodium Bicarbonate<Tab/>Temperature rises a little; Droplets form on inside of tube Calculations: There were no calculations made in this lab. Conclusion: Physical changes do not change the properties of the individual substances. Chemical changes will affect the properties.