of Acid Test for Limestone
The children were dropping vinegar
on the rock and observing for bubbles through the hand lens. If
bubbles appear, then the rock contains limestone.
LESSON 1- WHAT ARE ROCKS
LESSON 2- HOW ARE ROCKS FORMED?
LESSON 3- WHAT
IS THE ROCK CYCLE?
LESSON 4- HOW CAN WE TELL
THE HARDNESS OF ROCKS?