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Skills available for Missouri second-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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PS1 Matter and Its Interactions

PS2 Motion and Stability: Forces and Interactions

PS3 Energy

  • PS3.A Definitions of Energy

  • PS3.B Conservation of Energy and Energy Transfer

  • PS3.C Relationship Between Energy and Forces

  • PS3.D Energy in Chemical Process and Everyday

PS4 Waves and Their Applications in technologies for Information Transfer

  • PS4.A Wave Properties

    • PS4.A.1 Plan and conduct investigations to provide evidence that changes in vibration create change in sound.

  • PS4.B Electromagnetic Radiation

  • PS4.C Information Technologies and Instrumentation

LS1 From Molecules to Organisms: Structure and Processes

  • LS1.A Structure and Function

  • LS1.B Growth and Development of Organisms

  • LS1.C Organization for Matter and Energy Flow in Organisms

  • LS1.D Information Processing

LS2 Ecosystems: Interactions, Energy, and Dynamics

LS3 Heredity: Inheritance and Variation of Traits

  • LS3.A Inheritance of Traits

  • LS3.B Natural Selection

  • LS3.C Adaptation

  • LS3.D Biodiversity and Humans

ESS1 Earth's Place in the Universe

ESS2 Earth's Systems

  • ESS2.A Earth Materials and Systems

  • ESS2.B Plate Tectonics and Large-Scale Systems

    • ESS2.B.1 Develop a model to represent the shapes and kinds of land and bodies of water in an area.

  • ESS2.C The Role of Water in Earth's Surface Processes

    • ESS2.C.1 Obtain information to identify where water is found on Earth and that it can be solid or liquid.

  • ESS2.D Weather and Climate

  • ESS2.E Biogeology

ESS3 Earth and Human Activity

  • ESS3.A Natural Resources

  • ESS3.B Natural Hazards

  • ESS3.C Human Impacts on Earth's Systems