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Skills available for Virginia third-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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Scientific Investigation, Reasoning, and Logic

Force, Motion, and Energy

  • 3.2 The student will investigate and understand simple machines and their uses. Key concepts include

    • a purpose and function of simple machines

    • b types of simple machines

    • c compound machines

    • d examples of simple and compound machines found in the school, home, and work environments


Life Processes

Living Systems

Interrelationships in Earth/Space Systems

  • 3.7 The student will investigate and understand the major components of soil, its origin, and its importance to plants and animals including humans. Key concepts include

    • a soil provides the support and nutrients necessary for plant growth

    • b topsoil is a natural product of subsoil and bedrock

    • c rock, clay, silt, sand, and humus are components of soils

    • d soil is a natural resource and should be conserved

Earth Patterns, Cycles, and Change

Earth Resources