1. Writing a Science Report
The Introduction -this section must include a statement of purpose, a hypothesis, and some background information. -in this lab the background information will be about the law of conservation of mass. -use present tense

2. Writing a Science Report
Procedure: Write “The procedure was followed as per page 228 and 229 of Nelson Science Perspectives 10 with the following changes:” -list the changes e.g. We used Hydrogen Chloride [HCl(l)] instead of Iron (III) Nitrate. We used phenolphthalein as a pH indicator so that we could detect that the neutralization reaction had taken place

3. Materials -list what is required to conduct the investigation, omit what we didn’t use and add what we did. Observations: Present all tables whether they support your prediction or not. Include the class averages.

4. Conclusions: One sentence for both Part A and Part B concluding on the results of the study. Two sentences discussing whether or not the results support your hypothesis. One sentence on sources of error or biases in the study.