Name: SNC 2P Due: Design an Investigation Conservation of Mass Task: Design an experiment to test or demonstrate the law of conservation of mass using the materials supplied by your teacher. Initiating and Planning Purpose/Question:______________________________________________ _____________________________________________________________ Hypothesis:___________________________________________________ _____________________________________________________________ _____________________________________________________________ Materials: Reaction: word equation chemical equation Diagram of Apparatus: Safety: Procedure: Performing and Recording Possible Variables: _____________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ Changes to Procedure:___________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ Qualitative observations (senses): Quantitative observations (measured): Analysis and Conclusion Analyze and interpret your observations and describe how they support or refute your hypothesis. _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ Identify possible sources of error, uncertainty, or bias. _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ Create a concluding paragraph based on your results and research. _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ References List any sources of information other than the data you gathered in your lab (including class notes (description, title, and date), websites (title, web address, author, date), and books (title, author, publisher, date). Remember, the more references, the better! Conservation of Mass Lab Marking Scheme Investigation Skills Initiating and Planning 0 1 Formulates scientific questions and hypotheses 0 1 Selects appropriate instruments and materials 0 1 Uses appropriate research sources 0 1 Applies knowledge of safe practices and procedures Performing and Recording 0 1 Conducts inquiry 0 1 Controls variables 0 1 Adapts procedures 0 1 Uses equipment and materials safely 0 1 Uses equipment and materials accurately and effectively Gathers, organizes, and records data using appropriate formats 0 1 Analysing and Interpreting 0 1 Analyses and interprets data to support or refute hypothesis 0 1 Identifies possible sources of error, bias, or uncertainty 0 1 Draws conclusions based on inquiry results and research Communicating 0 1 Communicates using appropriate language and format 0 1 Uses appropriate numeric and symbolic modes (equations) 0 1 Uses appropriate units of measurement 0 1 Expresses calculations accurately and precisely Total Comments: 2 2 2 2 Total 2 2 2 2 2 2 Total 2 2 2 Total 2 2 2 2 Total /34