author: john mcgavack

Guppies, Bubbles, and Vibrating Objects: A Creative Approach to the Teaching of Science to Very Young Children

... acid ) or some other weak acid . Those that " fizz " contain carbonates . Practically all of those that " fizz " will be either calcite ( the min- eral ) , limestone , or marble ( the rock ) . Lesson 6 The following activity ... ( 1 ) sedi- ...

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