• Resource ID: R4SCI0006
    • Grade Range: 9–12
    • Subject: Science

    R4 logo Cell Comparisons

    Learners compare a variety of prokaryotes and eukaryotes to determine similarities and differences among and between them.

    • Resource ID: CM3L6
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Nomenclature: Covalent Compounds

    Given descriptions, diagrams, or scenarios, students will write and name the chemical formulas of binary covalent compounds.

    • Resource ID: R4SCI0009
    • Grade Range: 9–12
    • Subject: Science

    Evidence for Evolution

    Learners analyze and evaluate how evidence of common ancestry among groups is provided by the fossil record, biogeography, and homologies, including anatomical, molecular, and developmental.

    • Resource ID: BM5L7B
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Survival of a Species

    Given scenarios, illustrations or descriptions, the student will describe how long-term survival of species is dependent on changing resource bases that are limited.

    • Resource ID: CM3L2
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Ionic Bonds: Electron Dot Formulas

    Given descriptions, diagrams, scenarios, or chemical symbols, students will model ionic bonds using electron dot formulas.

    • 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).