Law of Conservation of Matter QUIZ NGSS MS-PS1-5 MIDDLE SCHOOL

Law of Conservation of Matter QUIZ NGSS MS-PS1-5 MIDDLE SCHOOL
Law of Conservation of Matter QUIZ NGSS MS-PS1-5 MIDDLE SCHOOL
Law of Conservation of Matter QUIZ NGSS MS-PS1-5 MIDDLE SCHOOL
Law of Conservation of Matter QUIZ NGSS MS-PS1-5 MIDDLE SCHOOL
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(476 KB|4 pages)
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Two versions! Reflect the intended rigor of NGSS with this 10 questions multiple choice quiz covering the Law of Conservation of Mass (AKA Conservation of Matter), which we cover at the same time we cover physical and chemical changes. This quiz is MIDDLE SCHOOL level and is written to address NGSS MS-PS1-5. It includes simple diagrams to analyze and the questions mimic how state standardized tests ask about this topic.

Two very similar versions are provided. The versions look exactly alike and have the same questions, but a different order of the correct answers. So, wandering eyes will see a quiz that looks like their own but will get the answer wrong if they copy a neighbors paper.


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Develop and use a model to describe how the total number of atoms does not change in a chemical reaction and thus mass is conserved. Emphasis is on law of conservation of matter and on physical models or drawings, including digital forms, that represent atoms. Assessment does not include the use of atomic masses, balancing symbolic equations, or intermolecular forces.
Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction. Emphasis is on using mathematical ideas to communicate the proportional relationships between masses of atoms in the reactants and the products, and the translation of these relationships to the macroscopic scale using the mole as the conversion from the atomic to the macroscopic scale. Emphasis is on assessing students’ use of mathematical thinking and not on memorization and rote application of problem-solving techniques. Assessment does not include complex chemical reactions.
Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred. Examples of reactions could include burning sugar or steel wool, fat reacting with sodium hydroxide, and mixing zinc with hydrogen chloride. Assessment is limited to analysis of the following properties: density, melting point, boiling point, solubility, flammability, and odor.
Total Pages
4 pages
Answer Key
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