Error message

  • Notice: Undefined index: qtip_label in qtip_field_preprocess_field() (line 169 of sites/all/modules/qtip/modules/qtip_field/qtip_field.module).
  • Notice: Undefined index: qtip_label in qtip_field_preprocess_field() (line 169 of sites/all/modules/qtip/modules/qtip_field/qtip_field.module).
  • Notice: Undefined index: qtip_label in qtip_field_preprocess_field() (line 169 of sites/all/modules/qtip/modules/qtip_field/qtip_field.module).

Self-Darkening Sunglasses

Integrate applications of equilibrium along the way to draw back students' interest. For example, glasses that darken to sunglasses.

Topic:

Strategy:

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