Missouri

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Skills available for Missouri fourth-grade science standards

Standards are in black and IXL science skills are in dark green. Hold your mouse over the name of a skill to view a sample question. Click on the name of a skill to practice that skill.

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PS Physical Sciences

  • PS2 Motion and Stability: Forces and Interactions

  • PS3 Energy

    • PS3.B Conservation of Energy and Energy Transfer

    • PS3.C Relationship Between Energy and Forces

      • 4.PS3.C.1 Use models to explain that simple machines change the amount of effort force and/or direction of force.

  • PS4 Waves and Their Applications in technologies for Information Transfer

    • PS4.A Wave Properties

      • 4.PS4.A.1 Develop a model of waves to describe patterns in terms of amplitude or wavelength and that waves can cause objects to move.

LS Life Sciences

ESS Earth and Space Sciences

ETS Engineering, Technology, and Application of Science