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. 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.

  6. 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.

  7. 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.

  8. 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).

  9. 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.

  10. 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.

  11. 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.

  12. 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. 

  13. 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.

  14. 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.

  15. 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.

  16. 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.

  17. 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.

  18. 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.

  19. It's All About Cell Theory

    • Resource ID: R4SCI0054
    • Grade Range: 8
    • Subject: Science

    This resource provides flexible alternate or additional learning opportunities for students to recognize the development and components of the cell theory, TEKS (7)(12)(F).

  20. Heat to Go

    • Resource ID: R4SCI0064
    • Grade Range: 9–12
    • Subject: Science

    This resource provides alternative or additional tier-one learning options for students learning about heat transfer, Chemistry TEKS (11)(B).