Percent Increase and Decrease Quiz
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Chemistry Case File #21: The Missing Isotope | Chemistry Mystery Activity
Make Isotopes and Average Atomic Mass calculations relevant with this no-prep digital case file! Turn your students into Astrochemists! In "The Missing Isotope," a meteorite has crashed on Earth. Initial scans show it contains Magnesium, but the mass readings are all wrong. Students must analyze the sample's percent abundance to calculate the new average atomic mass and prove the rock's extraterrestrial origin. This activity is the perfect way to move beyond boring worksheets. It gives stud
9th - 10th
Basic Principles, Chemistry, General Science
Also included in: Chemistry Case Files Bundle (Vol. 2) 10 Digital Mystery Labs (Save 30%)
Chemistry Case File #12: The Great Solution Switch | Chemistry Mystery Activity
Do your students struggle to understand the math behind Molarity and Dilutions? This no-prep digital case file puts those equations into a real-world context that makes sense! Turn your students into Lab Managers! In "The Great Solution Switch," a lab accident has destroyed the critical chemical solutions needed for an experiment. Students must save the day by calculating exactly how to recreate the missing solutions from a concentrated Master Stock. Students will master the Dilution Equat
9th - 10th
Basic Principles, Chemistry, General Science
Also included in: Chemistry Case Files Bundle (Vol. 2) 10 Digital Mystery Labs (Save 30%)
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