Uses simple supplies to effectively demonstrate convection in a liquid for middle school students.
Supports NGSS Earth Science MS-ESS2-1 and MS-ESS2-2.
This activity is very effective as either a student investigation or a teacher demonstration. The supplies are simple - hot and cold tap water, large container, small beaker, rubber band, food coloring, and plastic wrap. The worksheet leads students (or the teacher performing the demonstration) step-by-step through a simple process, and then provides a section for observations and analysis questions. Year after year, this lab proves to be a "light bulb" moment when teaching middle school students about convection.
INCLUDES ANSWER KEY
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