Grade 3ScienceTEKS 3.6D

Grade 3 Science TEKS 3.6D: Combining Materials

Free, teacher-ready lessons and worksheets for Combining Materials in Grade 3 Science, fully aligned to Texas TEKS 3.6D.

Demonstrate that materials can be combined based on their physical properties to create or modify objects such as building a tower or adding clay to sand to make a stronger brick and justify the selection of materials based on their physical properties

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      Grade 3 Science TEKS Lessons

      TEKS 3.6D: Combining Materials

      • Combining Materials

        About this lesson

        Learning Target: I can identify which physical properties are the most important for building or modifying objects and explain why.

        Focuses On:

        • Selecting materials to complete a task based on the needed physical properties.

        Builds On:

        2.6C:

        demonstrate that small units such as building blocks can be combined or reassembled to form new objects for different purposes and explain the materials chosen based on their physical properties

        Next Level:

        Combining materials is an accumulation of learning from 1st - 3rd grade. May be seen again at the high school level.

        Read More:

        This lesson is designed to support students' understanding of the physical properties of matter.


        The lesson begins with an introduction to various physical properties, such as magnetism, absorbency, flexibility, and texture. Students will then apply this knowledge by selecting appropriate materials based on their physical properties to build or modify an object to solve a specific problem.


        This lesson serves as a culmination of student learning in the material science subcategory of chemistry from grades 1 through 3.

        Grade 3ScienceTEKS 3.6D

      Grade 3 Science TEKS Worksheets

      TEKS 3.6D: Combining Materials

      See all 6 worksheets

      • Combining Materials

        Grade 3ScienceTEKS 3.6D

      • Skill Builder: Combining Materials

        Grade 3ScienceTEKS 3.6D

      • Full Topic: Combining Materials

        Grade 3ScienceTEKS 3.6D

      • CER: Combining Materials

        Grade 3ScienceTEKS 3.6D

      • Skill Builder: CER - Combining Materials

        Grade 3ScienceTEKS 3.6D

      • Vocabulary: Combining Materials

        Grade 3ScienceTEKS 3.6D

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      Frequently Asked Questions

      How do you teach Combining Materials to 3rd graders?

      To teach Combining Materials to 3rd grade Science students, anchor the concept in a hands-on investigation or real-world phenomenon, then build academic vocabulary and scientific reasoning through guided practice. TEKS 3.6D asks students to demonstrate that materials can be combined based on their physical properties to create or modify objects such as building a tower or adding clay to sand to make a stronger brick and justify the selection of materials based on their physical properties. Crystal Instruction's free ClearLessons for 3.6D walk through this progression with modeling, guided practice, and built-in checks for understanding, while the ClearSheets provide scaffolded practice. You can download both free on this page.

      What is 3.6D in 3rd grade Science?

      TEKS 3.6D is a 3rd grade Science standard for Combining Materials. It requires students to demonstrate that materials can be combined based on their physical properties to create or modify objects such as building a tower or adding clay to sand to make a stronger brick and justify the selection of materials based on their physical properties. It is part of the Texas Essential Knowledge and Skills (TEKS) for Grade 3 Science.

      Where can I find free TEKS 3.6D lessons and worksheets?

      You can download free TEKS 3.6D lessons and worksheets directly on this page — no login or account required. Crystal Instruction provides free PDF versions of our Combining Materials ClearLessons and ClearSheets for Grade 3 Science, and each one is also available as an interactive lesson inside the full Crystal Instruction platform.

      What skills are included in 3rd grade Combining Materials?

      TEKS 3.6D ( Combining Materials) covers the following 3rd grade Science skills: students learn to demonstrate that materials can be combined based on their physical properties to create or modify objects such as building a tower or adding clay to sand to make a stronger brick and justify the selection of materials based on their physical properties. Free resources for this standard include Combining Materials.

      Are TEKS 3.6D resources aligned to STAAR?

      Although Grade 3 Science is not directly tested on the Texas STAAR test, TEKS 3.6D builds the foundational skills students need for later STAAR assessments. Every Crystal Instruction ClearSheet for 3.6D is STAAR-aligned, and our ClearLessons are built to STAAR rigor using released STAAR test items, so students practice Combining Materials at the depth STAAR expects.