Because they are reactive with air and water, scientists store alkalis in oil. Scholars complete a series of four puzzles reviewing information about alkalis. They match the alkali to its formula, the salt formed with H2SO4, and the salt formed with HCl. 

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CCSS: Adaptable
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Instructional Ideas
  • Encourage advanced pupils to race to complete the grids on the computer as part of their review
  • Allow struggling scholars to complete the worksheet in their own time either in class or at home
Classroom Considerations
  • Assumes confidence solving gridlock puzzles with few provided instructions
  • Each puzzle increases in difficulty, making it a great, progressive lesson
  • Online version offers up to three hints
  • None