Help!!!! This Place is Going to Explode if we don’t Clean It up!!!! Your Task: Sort through and organize the chemicals stored in your class’s closet so that safety of all students can be assured. Standards: Background Knowledge Necessary: The student demonstrates an understanding of the structure and properties of matter by: * DART ID SC 5P.20, 6P.20, 7P.20 a. describing atoms and their base components (i.e., protons, neutrons, electrons). * DART ID SC 5P.21, 6P.21, 7P.21 b. using the periodic table to describe atoms in terms of their base components (i.e., protons, neutrons, electrons). The student demonstrates an understanding of the interactions between matter and energy and the effects of these interactions on systems by: * DART ID SC 5P.24, 6P.24, 7P.24 a. recognizing that a chemical reaction has taken place. Will Explore: The student demonstrates an understanding of how matter and energy can be transformed, transferred, and conserved by * DART ID SC 5P.22, 6P.22, 7P.22 a. examining energy (i.e., nuclear, chemical, thermal) transfers, transformations, and efficiencies by comparing useful energy to total energy. * DART ID SC 5P.23, 6P.23, 7P.23 b. examining the chemical changes and conservation of matter during chemical reactions (i.e. balancing chemical reactions, describing types of reactions as synthesis, decomposition or replacement) * DART ID SC 5P.25, 6P.25, 7P.25 b explaining that in chemical and nuclear reactions, energy (e.g., heat, light, mechanical, and electrical) is transferred into and out of a system. The student demonstrates an understanding of the interactions between matter and energy and the effects of these interactions on systems by: * DART ID SC 5P.27, 6P.27, 7P.27 d. describing the behavior of electrons in chemical bonding. Will Use Scientific Process by: **Developing Questions: SC 5.1 Creates a question based upon observation or problem. SC 5.2 Forms a testable hypothesis from a question. **Conducting Investigations: SC 5.8 Conduct self-designed investigations that demonstrate correct and safe use of materials (i.e. microscope, triple beam balance, Bunsen burners, and chemicals). **Communicating Results: SC 5.12 Explain results using logical reasoning and make relevant connections to local and/or global community SC 5.13 Recognize and evaluate alternative explanations. SC 5.14 Use appropriate scientific language in explanations. Process: 1.With the use of your periodic table, textbook or internet, fill in columns B and C of the Table 1 below. 2. Use Table 2, Column A, to ask a question: can chemical ___________________ be stored near chemical ________________________? 3. Form a hypothesis and explain why you believe this to be correct. Fill in Column B and C of Table 2. 4. After teacher approval, combine the 2 and record observations in Column D of Table 2. 5. Repeat steps 2-4 for other chemical combinations listed in Table 2, recording observations as you go. 6. Now, draw some conclusions and arrange the storeroom. a. Fill in Table 1, Columns D and E b. Illustrate Arrangement (using chemical formulas) for storage in the diagram. TABLE I: A B Chemic Chemical al Symbol (element) or Formula (compound) Magnes ium Hydroc hloric acid Sodium chloride Copper Sulfuric acid C Characteristics If it’s an element: Family: L, R or mIddle of Periodic Table: # of valence electrons If it’s a compound: is it an acid, base or neither? If it’s an element: Family: L, R or mIddle of Periodic Table: # of valence electrons If it’s a compound: is it an acid, base or neither? If it’s an element: Family: L, R or mIddle of Periodic Table: # of valence electrons If it’s a compound: is it an acid, base or neither? If it’s an element: Family: L, R or mIddle of Periodic Table: # of valence electrons If it’s a compound: is it an acid, base or neither? If it’s an element: Family: L, R or mIddle of Periodic Table: # of valence electrons If it’s a compound: is it an acid, base or neither? D E Location Reasoning Suggestions/Tips for Storage Chemic al salt Water Sodium hydroxi de Baking soda Lemon juice Chemical Symbol (element) or Formula (compound) Characteristics If it’s an element: Family: L, R or mIddle of Periodic Table: # of valence electrons If it’s a compound: is it an acid, base or neither? If it’s an element: Family: L, R or mIddle of Periodic Table: # of valence electrons If it’s a compound: is it an acid, base or neither? If it’s an element: Family: L, R or mIddle of Periodic Table: # of valence electrons If it’s a compound: is it an acid, base or neither? If it’s an element: Family: L, R or mIddle of Periodic Table: # of valence electrons If it’s a compound: is it an acid, base or neither? If it’s an element: Family: L, R or mIddle of Periodic Table: # of valence electrons If it’s a compound: is it an acid, base or neither? Location Reasoning Suggestions/Tips for Storage Table 2: Chemical Combination Magnesium in hydrocholic Acid Column B – Hypothesis Column C- Reasoning Column D Observations Equation: What I Observed: Baking soda(sodium bicarbonate) in vinegar (acetic acid) Equation: Lemon juice and sodium hydroxide Equation: What I Observed: What I Observed: Salt (sodium chloride) and water Equation: What I Observed: Copper (penny?) and sulfuric acid Equation: What I Observed: Scoring Guide: Trait Asking ?/Making Hypothesis (5.1, 5.2, 5.27) Background Information of chemicals (5.20, 5.21) Makes Observations and Records(5.8, 5.23, 5.24, 5.25) Draws Conclusions (5.12, 5.14, 5.22-5.27) Emerging Table 2, columns B and C are have been partially completed with partial scientific reasoning for Developing Table 2, columns B and C are completed with scientific reasoning, with help from others, for 4/5 chemical combinations Table 1, Table 1, Columns B and Columns B and C are partially C are completed, with completed, with help help for 8/10 chemicals Proficient Table 2, columns B and C are completed with own scientific reasoning for 4/5 chemical combinations Advanced Table 2, columns B and C are completed with own scientific reasoning for 5/5 chemical combinations Table 1, Columns B and C are independently completed for 8/10 chemicals Table 2, Column D is completed with observations from own and others’ research using scientific language for 1 or more chemical combinations Table 1, columns D and E are partially completed (with help); and illustrations have properly arranged some chemicals Table 2, Column D is completed with observations from own and others research using scientific language for 4/5 chemical combinations Table 2, Column D is completed with observations from own research using scientific language for 4/5 chemical combinations Table 1, Columns B and C are independently completed for 9 or 10/10 chemicals Table 2, Column D is completed with observations from own research, using scientific language for 5/5 chemical combinations Table 1, columns D and E are completed (with help) with sound, scientific explanations for 8/10 chemicals; and illustrations have safely arranged 8/10 chemicals Table 1, columns D and E are independently completed with sound, scientific explanations for 8/10 chemicals; and illustrations have safely arranged 8/10 chemicals Table 1, columns D and E are completed with sound, scientific explanations for 9-10/10 chemicals; and illustrations have safely arranged 8/10 chemicals Closet: Shelf A Safety Storage Container 1 Shelf B Shelf C Safety Storage Container 2