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7 worksheets · Save $5.60 (20%) · prices shown inside the bundle

1. 01
   Grade 7 Science Atomic Models Worksheet | NGSS Assessment for Science

   Grade 7 · Science · 16 Pages

   • Compare particle, ball-and-stick, and lattice representations of atoms and how they relate to molecular vs extended structures.
   • Explain how subatomic particles and atomic number connect to atomic notation and bonding patterns.
   • Predict how bonding patterns (covalent vs ionic/extended networks) influence properties such as melting point and electrical behavior.
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2. 02
   Science Grade 7 Worksheet: Representations of Matter Interactions | NGSS Science

   Grade 7 · Science

   • Interpret symbolic chemical equations and explain what quantitative information they can (and cannot) provide about matter interactions.
   • Read and compare graphs of mass or temperature versus time to determine trends such as reaction rate or energy change.
   • Use tabulated experimental data and stoichiometric relationships to make quantitative comparisons.

   +1 more
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3. 03
   Science Grade 7: Stoichiometry and Mole-Ratio Reasoning Worksheet | NGSS

   Grade 7 · Science

   • Use balanced chemical equations to describe how quantities of reactants relate to quantities of products.
   • Calculate and interpret mole ratios to predict relative amounts and mass relationships in chemical transformations.
   • Apply conservation of matter to check whether calculated product amounts and reagent needs are reasonable.

   +1 more
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4. 04
   Science Worksheet: Synthetic Materials Assessment | NGSS Grade 7 Science

   Grade 7 · Science · 17 Pages

   • Explain how feedstocks from natural resources can be transformed into synthetic materials through processing steps.
   • Describe how polymerization and refining change chemical composition and functional performance.
   • Use examples (polyethylene, PET, nylon, and metals) to compare production pathways.

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5. 05
   Science Grade 7: Material Properties Worksheet | NGSS Alignment Grade 7 Science

   Grade 7 · Science · 16 Pages

   • Distinguish physical properties from chemical properties using qualitative and quantitative descriptors.
   • Use measurable property data (density, melting point, solubility, conductivity) to compare and identify materials.
   • Explain how reactivity and flammability indicate chemical change risk during temperature or contact.
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6. 06
   Mixtures and Solutions Worksheet | NGSS Grade 7 Science Assessment

   Grade 7 · Science

   • Distinguish homogeneous and heterogeneous mixtures and identify examples from daily life
   • Classify solutions, colloids, and suspensions based on particle size and visibility
   • Explain saturation, concentration, and solubility using solute–solvent interactions

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7. 07
   Science Worksheet: Reaction Evidence Grade 7 | NGSS | Worksheet

   Grade 7 · Science

   • Identify observable indicators that a chemical reaction has occurred, including gas production, precipitate formation, color change, and temperature change.
   • Explain irreversibility and how it differs from reversible physical changes.
   • Use mass measurements from sealed systems to connect reaction evidence to the conservation of matter.
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