Understanding Idioms Through Context
This four-page worksheet introduces figurative language and guides students through determining idiom meanings using context clues.
$4.50
Science · All grades
Exploring Pigments: The Chemistry of Green Chromatography Lab
Students investigate the separation of pigments from green food coloring and spinach using paper chromatography.
$4.99USD · Digital download
Students investigate the separation of pigments from green food coloring and spinach using paper chromatography. The worksheet includes background review, hypothesis formation, safety guidance, experimental procedures, observation prompts, and Rf value calculations.
3 pagesof ready-to-use material · PDF
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What you’ll teach
Clear goals. Useful learning.
- Students will define the mobile and stationary phases in chromatography.
- Students will conduct a pigment-separation investigation using paper chromatography.
- Students will calculate Rf values from experimental measurements.
- Students will explain how molecular polarity affects pigment separation.
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