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. 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.

  10. 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.

  11. 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.

  12. Newton's Three Laws of Motion

    • Resource ID: R4SCI0024
    • Grade Range: 9–12
    • Subject: Science

    This resource provides alternate or additional learning opportunities for students learning the three Newton's Laws of Motion. It includes a collection of interactive materilas, videos, and other digital media. Physics TEKS, (4)(D)

  13. Light: Reflection and Refraction

    • Resource ID: R4SCI0031
    • Grade Range: 5
    • Subject: Science

    This is a tier I instructional resource to provide a scaffolded learning experience for TEKS (5)(6)(C).

  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. Newton's Law of Inertia

    • Resource ID: R4SCI0034
    • Grade Range: 8–12
    • Subject: Science

    This resource provides instructional resources for Newton's First Law, the law of inertia.

  17. Newton's Law of Action-Reaction

    • Resource ID: R4SCI0036
    • Grade Range: 8–12
    • Subject: Science

    This resource is to support TEKS (8)(6)(C), specifically the Newton's third law or the law of action-reaction.

  18. 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).

  19. Projectile Motion

    • Resource ID: R4SCI0068
    • Grade Range: 9–12
    • Subject: Science

    This resource provides alternative or additional tier-one learning options for students learning about projectile motion—Physics TEKS (4)(C).

  20. 3.01 Distance and Displacement

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

    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.