Can Mass Be Altered?: A Conservation of Matter Lab

Can Mass Be Altered?: A Conservation of Matter Lab
Can Mass Be Altered?: A Conservation of Matter Lab
Can Mass Be Altered?: A Conservation of Matter Lab
Can Mass Be Altered?: A Conservation of Matter Lab
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0.25 MB   |   7 pages

PRODUCT DESCRIPTION

This lab provides students the chance to perform three easy yet effective chemical reactions that demonstrate the Law of Conservation of Mass. Detailed procedures are provided on the student lab sheet for each reaction, along with spaces for students to record masses, chemical names, observations of the reactants and products, and indications that chemical reactions have occurred (precipitate formation, color change, & gas production).

The chemicals needed include: potassium iodide solution (0.1 M), lead (II) nitrate solution (0.1 M), copper metal turning/ribbon, sulfur powder, Alka seltzer

Other necessary materials include: balances or scales to measure mass, small plastic vials, Bunsen burners, ring stands and test tube clamps, 200 x 25 mm (larger sized) test tubes with stoppers, Florence/bubble flasks, balloons

For the series of analysis questions at the end of the lab, students can look up the Law of Conservation of Mass and then make the connection between the Law and their lab data. Students will reflect on the indications of chemical changes that occurred during the lab, answer an application question involving an open versus closed system, and balance a relatively simple equation from the lab.

I set this lab up as three sets of each of the three stations so that there are 9 stations in total. Each station takes about 7 minutes to complete. With the reflection questions, this lab would take about one 40-minute class period. Teacher notes are included as well as an answer key. The file is also editable.

Thanks for looking!

Sunrise Science
Total Pages
7
Answer Key
Included
Teaching Duration
40 Minutes

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Can Mass Be Altered?: A Conservation of Matter Lab
Can Mass Be Altered?: A Conservation of Matter Lab
Can Mass Be Altered?: A Conservation of Matter Lab
Can Mass Be Altered?: A Conservation of Matter Lab