1. Protein Synthesis

    • Resource ID: R4SCI0004
    • Grade Range: 9–12
    • Subject: Science

    The learner explores the structure and function of the nucleic acids and enzymes important to the process of synthesizing proteins.

  2. Cell Comparisons

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

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

  3. Monohybrid and Dihybrid Crosses

    • Resource ID: R4SCI0007
    • Grade Range: 9–12
    • Subject: Science

    Learners calculate the probability of genotypic inheritance and phenotypic expression using mono- and dihybrid crosses.

  4. Mechanisms of Evolution Beyond Natural Selection

    • Resource ID: R4SCI0008
    • Grade Range: 9–12
    • Subject: Science

    Learners analyze and evaluate the effects of other evolutionary mechanisms.

  5. Evidence for Evolution

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

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

  6. Energy and Matter in Cells

    • Resource ID: R4SCI0013
    • Grade Range: 9–12
    • Subject: Science

    Learners compare changes in matter that take place during energy conversion processes such as photosynthesis and cellular respiration.

  7. Energy and Matter in Ecosystems

    • Resource ID: R4SCI0014
    • Grade Range: 9–12
    • Subject: Science

    Learners analyze food chains, webs, and pyramids to determine how energy flows and matter cycles through ecosystems.

  8. The Role of Enzymes

    • Resource ID: R4SCI0015
    • Grade Range: 9–12
    • Subject: Science

    Learners investigate the role of enzymes at the molecular level as well as through “real-world” applications.

  9. 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).

  10. Ecological Succession

    • Resource ID: R4SCI0018
    • Grade Range: 9–12
    • Subject: Science

    Learners explore and describe how succession affects biodiversity by creating an island ecosystem in an interactive game.

  11. Predict Monohybrid Crosses

    • Resource ID: K2KB007
    • Grade Range: 9–12
    • Subject: Science

    Biology Kid2Kid videos present biology concepts taught to a student by a student. This resource contains videos that explain monohybrid crosses in both English and Spanish.

  12. Cell Homeostasis: Osmosis

    • Resource ID: R4SCI0021
    • Grade Range: 9–12
    • Subject: Science

    The focus of this resource is cell homeostasis and, more specifically, osmosis. Students investigate the concept through a virtual lab, recording and analyzing data, creating sketches to represent vocabulary, and discovering the role of aquaporins in water transport through the cell membrane.

  13. 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.

  14. Genetic Mutations

    • Resource ID: R4SCI0032
    • Grade Range: 9–12
    • Subject: Science

    This resource uses video, animation, text, and web-based interactives to help students identify changes in DNA and evaluate the effects of those changes. 

  15. Internal Feedback Mechanisms

    • Resource ID: R4SCI0033
    • Grade Range: 9–12
    • Subject: Science

    This resource utilizes videos, intestigations, and interactives to help students understand and describe the role of internal feedback mechanisms.

  16. 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.

  17. Scientific Methods - Equipment for Chemistry

    • Resource ID: CM0L8
    • Grade Range: 9–12
    • Subject: Science

    Given laboratory investigation scenarios, students will determine the equipment that best fits the procedure.

  18. Quantifying Changes in Chemical Reactions: Empirical Formula

    • Resource ID: CM3L12
    • Grade Range: 8–12
    • Subject: Science

    Given the descriptions or chemical formulas, students will use relative masses of elements in substance to calculate and determine the ratio of atoms of each element in a compound so as to determine percent composition or empirical formula.

  19. Lewis Valence Electron Dot Structures

    • Resource ID: CM2L7
    • Grade Range: 9–12
    • Subject: Science

    Given descriptions, diagrams, and chemical symbols of any element, students will show the arrangement of electrons in the outer-most energy levels by using Lewis valence electron dot structures.

  20. Ideal Gas Law

    • Resource ID: CM4L4
    • Grade Range: 9–12
    • Subject: Science

    Given descriptions, scenarios, or diagrams, students will use the formula for the ideal gas law to calculate pressure, temperature, volume, or moles of a gas.