• 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: SM0L5
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Data Organization

    Given field and laboratory scenarios and laboratory data, students will construct data tables and graphs, using repeated trials and means to organize data.

    • Resource ID: SM0L7
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Conclusions and Scientific Explanations

    Given laboratory investigation data, students will determine the best conclusion based upon that data.

    • Resource ID: SM0L9
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Measurement

    Given investigation quantitative data, students will determine its degree of precision and/or accuracy and causes for uncertainties in measured data.

    • 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).

    • Resource ID: PM2L10
    • Grade Range: 9–12
    • Subject: Science

    OnTrack logo Electromagnetic Forces

    Given schematic diagrams, illustrations or descriptions, students will identify the relationship of electric and magnetic fields in applications such as generators, motors, and transformers.

    • Resource ID: R4SCI0050
    • Grade Range: 9–12
    • Subject: Science

    Gravitational Force

    This resource provides flexible alternate or additional learning activities for students learning about the gravitational attraction between objects of different masses at different distances. IPC TEKS (4)(F)

    • Resource ID: R4SCI0052
    • Grade Range: 3
    • Subject: Science

    Exploring Energy

    A Tier 1 energy instructional resource for grade 3.

    • 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: SE111001
    • Grade Range: 9–12
    • Subject: Science

    SE Resource updt 3.01 Distance and Displacement

    In this video, we explore the difference between distance traveled (an example of a scalar) and displacement (an example of a vector), and we review some basic vector math.

    • Resource ID: SE111002
    • Grade Range: 9–12
    • Subject: Science

    SE Resource updt 3.02 Average Speed and Average Velocity

    In this video, we explore the difference between speed and velocity, and their relationship to distance and displacement.

    • Resource ID: SE111003
    • Grade Range: 9–12
    • Subject: Science

    SE Resource updt 3.03 Kinematic Equations in One Dimension

    In this video, we introduce the three primary kinematics equations and apply them to one-dimensional problems. The term "acceleration" is also introduced.

    • Resource ID: SE111004
    • Grade Range: 9–12
    • Subject: Science

    SE Resource updt 3.04 Kinematic Equations Graphical Analysis

    In this video, we analyze hypothetical experiments by graphing position, velocity, and acceleration versus time, qualitatively.

    • Resource ID: SE111005
    • Grade Range: 9–12
    • Subject: Science

    SE Resource updt 3.05 Kinematic Equations in Two Dimensions

    In this video, we apply the three primary kinematic equations to projectile motion problems.

    • Resource ID: SE111006
    • Grade Range: 9–12
    • Subject: Science

    SE Resource updt 3.06 Relative Motion

    In this video, the inherent (classical) relativity of velocity measurements is explored, qualitatively and quantitatively, in both one and two dimensions.