• Resource ID: R4SCI0023
    • Grade Range: 9–12
    • Subject: Science

    Objects in Motion

    This resource provides flexible alternate or additional learning activities for students learning about the concepts of distance,  speed, and acceleration. IPC TEKS (4)(A)

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

    OnTrack logo Valence Shell Electron Pair Repulsion

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

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

    OnTrack logo Chemical Bonding: Metallic Bonds

    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.

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

    OnTrack logo Electron Configuration

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

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

    OnTrack logo Moles and Molar Mass

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

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

    OnTrack logo Types of Solutions: Saturated, Supersaturated, or Unsaturated

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

    • Resource ID: R4SCI0035
    • Grade Range: 9–12
    • Subject: Science

    Conservation of Momentum

    This resource was created to support TEKS IPC(4)(E).

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

    R4SCI Logo Conservation of Mass—It's the Law!

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

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

    OnTrack logo Properties: Extensive and Intensive

    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.

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

    OnTrack logo Periodic Table Families

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

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

    OnTrack logo Solids, Liquids, and Gases

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

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

    OnTrack logo Properties: Mixtures

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

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

    OnTrack logo Atomic Theory: Electromagnetic Spectrum

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

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

    OnTrack logo Electromagnetic Spectrum

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

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

    OnTrack logo Average Atomic Mass

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

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

    OnTrack logo Periodic Table Trends

    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.

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

    OnTrack logo Fusion and Fission

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

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

    OnTrack logo Atomic Theory: Dalton, Thomson and Rutherford


    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.

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

    OnTrack logo Covalent Bonding: Electron Dot Diagrams

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

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

    OnTrack logo Forms of Energy

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