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The NGSS in California

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Skills available for California first-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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From Molecules to Organisms: Structures and Processes

Heredity: Inheritance and Variation of Traits

Earth's Place in the Universe

Waves and Their Applications in Technologies for Information Transfer

Engineering Design