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. 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.

  10. 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.

  11. 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. 

  12. R4SCI Logo

    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.

  13. 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).

  14. Region 4 Science

    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).

  15. Region 4 Science Gateway Resource

    Celsius 4-1-1: All About Thermal Energy

    • Resource ID: R4SCI0065
    • Grade Range: 10–12
    • Subject: Science

    This resource supports Chemistry TEKS (11)(A).

  16. Region 4 Science Gateway Resource

    Specifically Speaking about Heat Capacity

    • Resource ID: R4SCI0066
    • Grade Range: 10–12
    • Subject: Science

    This resource, developed to support Chemistry TEKS (11)(D), provides alternative or additional tier-one learning options to help students understand the concept of specific heat capacity.

  17. Gateway Resource

    Kinetic Molecular Theory

    • Resource ID: R4SCI019
    • Grade Range: 9–12
    • Subject: Science

    This resources allows students to explore the postulates of the Kinetic Molecular Theory in order to better understand why gas particles behave the way that they do.  

  18. SE Resource updt

    10.01 Wave Nature of Light

    • Resource ID: SE071002
    • Grade Range: 9–12
    • Subject: Science

    In this video, we will study the wave-like properties of light.

  19. SE Resource updt

    10.02 Particle Nature of Light

    • Resource ID: SE071003
    • Grade Range: 9–12
    • Subject: Science

    In this video, we will study the particle-like properties of light.

  20. SE Resource updt

    6.01 The Mole

    • Resource ID: SE071006
    • Grade Range: 9–12
    • Subject: Science

    In this video, we will study the mole and its applications in chemical calculations.