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Heat Waves and Droughts

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Real World Application
    California Drought

    California Drought

    by David Carmichael //at grade

    Find out what may have caused dry weather in California, what could bring it to an end, and how scientists determine how much water will be available.

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