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Skills available for Arizona 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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1 Inquiry Process

2 History and Nature of Science

  • 1 Identify individual and cultural contributions to scientific knowledge.

    • PO 1 Identify how diverse people and/or cultures, past and present, have made important contributions to scientific innovations (e.g., Daniel Hale Williams [physician], supports Strand 4; Charles Drew [physician], supports Strand 4; Elizabeth Blackwell [physician], supports Strand 4).

    • PO 2 Identify science-related career opportunities.

  • 2 Understand how science is a process for generating knowledge.

    • PO 1 Identify components of familiar systems (e.g., organs of the digestive system, bicycle).

    • PO 2 Identify the following characteristics of a system:

      • consists of multiple parts or subsystems

      • parts work interdependently

    • PO 3 Identify parts of a system too small to be seen (e.g., plant and animal cells).

3 Science in Personal and Social Perspectives

  • 1 Describe the interactions between human populations, natural hazards, and the environment.

  • 2 Understand the impact of technology.

    • PO 1 Analyze how various technologies impact aspects of people's lives (e.g., entertainment, medicine, transportation, communication).

    • PO 2 Describe important technological contributions made by people, past and present:

      • automobile – Henry Ford

      • airplane – Wilbur and Orville Wright

      • telephone – Alexander G. Bell

    • PO 3 Identify a simple problem that could be solved by using a suitable tool.

4 Life Science

5 Physical Science

6 Earth and Space Science