Grade 4ScienceTEKS 4.6C

Grade 4 Science TEKS 4.6C:Conservation of Matter in Mixtures

Free, teacher-ready lessons and worksheets for Conservation of Matter in Mixtures in Grade 4 Science, fully aligned to Texas TEKS 4.6C.

Demonstrate that matter is conserved when mixtures such as soil and water or oil and water are formed

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      Grade 4 Science TEKS Lessons

      TEKS 4.6C: Conservation of Matter in Mixtures

      • Conservation of Matter

        About this lesson

        Learning Target: I can use my knowledge of conservation of matter to determine missing values.

        Focuses On:

        • Conservation of matter through combining and separating mixtures.

        Builds On:

        This is the first time that students are introduces to the theory of conservation of matter.

        Next Level:

        5.6C:

        compare the properties of substances before and after they are combined into a solution and demonstrate that matter is conserved in solutions

        Read More:

        This lesson is designed to support students' understanding of the conservation of matter by using a scale to combine and find missing values.


        The lesson begins by introducing the topic and having students add the masses of individual components of a mixture to find the total mass. It then challenges students to use their knowledge of this concept to subtract known values from the total to find the mass of a last component with an unknown mass.


        The lesson prepares students for standard 5.6C, where they will apply this knowledge of conservation of mass to solutions in which the individual components are not visible.

        Grade 4ScienceTEKS 4.6C

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      Frequently Asked Questions

      How do you teach Conservation of Matter in Mixtures to 4th graders?

      To teach Conservation of Matter in Mixtures to 4th 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 4.6C asks students to demonstrate that matter is conserved when mixtures such as soil and water or oil and water are formed. Crystal Instruction's free ClearLessons for 4.6C 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 4.6C in 4th grade Science?

      TEKS 4.6C is a 4th grade Science standard for Conservation of Matter in Mixtures. It requires students to demonstrate that matter is conserved when mixtures such as soil and water or oil and water are formed. It is part of the Texas Essential Knowledge and Skills (TEKS) for Grade 4 Science.

      Where can I find free TEKS 4.6C lessons and worksheets?

      You can download free TEKS 4.6C lessons and worksheets directly on this page — no login or account required. Crystal Instruction provides free PDF versions of our Conservation of Matter in Mixtures ClearLessons and ClearSheets for Grade 4 Science, and each one is also available as an interactive lesson inside the full Crystal Instruction platform.

      What skills are included in 4th grade Conservation of Matter in Mixtures?

      TEKS 4.6C (Conservation of Matter in Mixtures) covers the following 4th grade Science skills: students learn to demonstrate that matter is conserved when mixtures such as soil and water or oil and water are formed. Free resources for this standard include Conservation of Matter.

      Are TEKS 4.6C resources aligned to STAAR?

      Although Grade 4 Science is not directly tested on the Texas STAAR test, TEKS 4.6C builds the foundational skills students need for later STAAR assessments. Every Crystal Instruction ClearSheet for 4.6C is STAAR-aligned, and our ClearLessons are built to STAAR rigor using released STAAR test items, so students practice Conservation of Matter in Mixtures at the depth STAAR expects.