Uses simple supplies to effectively demonstrate convection currents for middle school students.
Supports NGSS MS-ESS2-1 and MS-ESS2-2.
This lab is very effective as either a student investigation or a teacher demonstration. The supplies are simple - hot and cold tap water, large beaker, small cup, 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 currents.
There are two very similar versions of this lab provided - one has more of a focus on convection in the mantle and the other is strictly focused on convection currents. Take a look at both and use the one that fits your needs better.
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