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

    Monohybrid and Dihybrid Crosses

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

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

    Mechanisms of Evolution Beyond Natural Selection

    Learners analyze and evaluate the effects of other evolutionary mechanisms.

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

    Cell Homeostasis: Osmosis

    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.

    • Resource ID: R4SCI0027
    • Grade Range: 10–12
    • Subject: Science

    Region 4 Project Share Gateway Resource What’s Trending with the Elements?

    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.

    • Resource ID: BM0L8
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Equipment for Biology

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

    • Resource ID: BM1L9
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Disruptions of the Cell Cycle: Cancer

    Given illustrations or descriptions, students will identify disruptions of the cell cycle that lead to diseases such as cancer.

    • Resource ID: BM2L3
    • Grade Range: 9–11
    • Subject: Science

    OnTrack logo Mechanisms of Genetics: DNA Changes

    Given illustrations or partial DNA sequences, students will identify changes in DNA and the significance of these changes.

    • Resource ID: BM3L4
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Taxonomy Standards

    Given examples, students will recognize the importance of taxonomy to the scientific community.

    • Resource ID: BM3L6
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Taxonomy: Major Groups

    Given illustrations or descriptions, students will determine the classification of organisms into domains and kingdoms.

    • Resource ID: BM5L5
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Homeostasis: Ecological Systems

    Given images, videos, or scenarios, identify and describe the responses of organisms, populations, and communities to various changes in their external environment.

    • Resource ID: BM4L6
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Biological Systems: Homeostasis

    Identify and describe internal feedback mechanisms involved in maintaining homeostasis given scenarios, illustrations, or descriptions.

    • Resource ID: BM5L1
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Relationships Between Organisms: Food Chains, Webs, and Pyramids

    Given illustrations, students will analyze the flow of matter and energy in food chains, food webs, and ecological pyramids.

    • Resource ID: BM5L8
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Organisms' Adaptations

    Given scenarios, illustrations. or descriptions, the student will compare variations and adaptations of organisms in different ecosystems.

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

    It's All About Cell Theory

    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).

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

    Region 4 Science Heat to Go

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

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

    Region 4 Science Gateway Resource Celsius 4-1-1: All About Thermal Energy

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

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

    Gateway Resource Kinetic Molecular Theory

    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.  

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

    SE Resource updt 10.01 Wave Nature of Light

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

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

    SE Resource updt 10.02 Particle Nature of Light

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

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

    SE Resource updt 6.01 The Mole

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