1. How Do We Quantify the Building Blocks of Matter?

    • Resource ID: R4SCI0017
    • Grade Range: 10–12
    • Subject: Science

    This resource provides flexible alternate or additional learning opportunities for students learning about the mole concept, Chemistry TEKS (8)(A).

  2. Region 4 Project Share Gateway Resource

    What’s Trending with the Elements?

    • Resource ID: R4SCI0027
    • Grade Range: 10–12
    • Subject: Science

    This resource, aligned with Chemistry TEKS (5)(C), provides alternative or additional tier-one learning options for students using the periodic table to identify and explain trends.

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    Valence Shell Electron Pair Repulsion

    • Resource ID: CM3L4
    • Grade Range: 9–12
    • Subject: Science

    Given illustrations or descriptions, students will predict the shape of molecules based upon the extent of the electron pair electrostatic repulsion.

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    Chemical Bonding: Metallic Bonds

    • Resource ID: CM3L5
    • Grade Range: 9–12
    • Subject: Science

    Given scenarios or diagrams, students will describe the nature of metallic bonding and explain properties such as thermal and electrical conductivity, malleability, and ductility of metals.

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    Electron Configuration

    • Resource ID: CM2L6
    • Grade Range: 9–12
    • Subject: Science

    Given descriptors, diagrams, and chemical symbols, students will use the periodic table to determine the electron configuration of neutral atoms.

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    Moles and Molar Mass

    • Resource ID: CM3L9
    • Grade Range: 9–12
    • Subject: Science

    Given descriptions or chemical formula of a substance, students will use the concept of a mole to relate atomic mass to molar mass.

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    Types of Solutions: Saturated, Supersaturated, or Unsaturated

    • Resource ID: CM5L3
    • Grade Range: 9–12
    • Subject: Science

    Given scenarios, graphs, diagrams, or illustrations, the student will determine the type of solution such as saturated, supersaturated, or unsaturated.

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    Conservation of Mass—It's the Law!

    • Resource ID: R4SCI0045
    • Grade Range: 9–12
    • Subject: Science

    This resource includes videos, interactives, and additional resources to help students understand the law of conservation of mass and how to balance chemical equations.

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    Properties: Extensive and Intensive

    • Resource ID: CM1L2
    • Grade Range: 9–12
    • Subject: Science

    Given descriptions or illustrations of properties, students will determine whether the property is chemical or physical, and if it is physical, if it is intensive or extensive.

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    Periodic Table Families

    • Resource ID: CM1L5
    • Grade Range: 8–12
    • Subject: Science

    Given descriptions or specific element groups, students will use a Periodic Table to relate properties of chemical families to position on the table.

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    Solids, Liquids, and Gases

    • Resource ID: CM1L3
    • Grade Range: 9–12
    • Subject: Science

    Given descriptions, scenarios, or illustrations, students will distinguish between the compressibility, structure, shape, and volume of solids, liquids, and gases.

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    Properties: Mixtures

    • Resource ID: CM1L4
    • Grade Range: 9–12
    • Subject: Science

    Given descriptions, scenarios, or illustrations of properties, students will distinguish between pure substances and mixtures.

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    Atomic Theory: Electromagnetic Spectrum

    • Resource ID: CM2L3
    • Grade Range: 9–12
    • Subject: Science

    Given a diagram of the electromagnetic spectrum, students will relate the frequency to type of wave produced.

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    Electromagnetic Spectrum

    • Resource ID: CM2L4
    • Grade Range: 9–12
    • Subject: Science

    Given descriptions or illustrations, students will use the light and energy formula to solve for frequency, wavelength, or energy.

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    Average Atomic Mass

    • Resource ID: CM2L5
    • Grade Range: 9–12
    • Subject: Science

    Given descriptions, scenarios, or diagrams, students will calculate the average atomic mass by weighted average.

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    Periodic Table Trends

    • Resource ID: CM1L6
    • Grade Range: 9–12
    • Subject: Science

    Given descriptions, scenarios, or groups/series of elements, students will use the Periodic Table to relate the size of the atomic radii, electronegativity, and ionization energy of elements to their position on the chart. Students will need to be familiar with the trends of the Periodic Table.

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    Fusion and Fission

    • Resource ID: CM2L10
    • Grade Range: 9–12
    • Subject: Science

    Given diagrams, illustrations, symbols, or descriptions, student will distinguish between nuclear fusion and nuclear fission.

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    Atomic Theory: Dalton, Thomson and Rutherford

    • Resource ID: CM2L1
    • Grade Range: 8–12
    • Subject: Science


    Given scenarios or summaries of historical events leading to modern-day atomic theory, students will identify the author and experimental design of each and the conclusion drawn from these experiments.

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    Covalent Bonding: Electron Dot Diagrams

    • Resource ID: CM3L3
    • Grade Range: 8–12
    • Subject: Science

    Given descriptions, diagrams, scenarios, or chemical symbols, students will model covalent bonds using electron dot formula (Lewis structures).

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    Forms of Energy

    • Resource ID: CM4L7
    • Grade Range: 9–12
    • Subject: Science

    Given diagrams, illustrations, or descriptions, students will identify the types of energy.