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A crystal is an organized group of molecules, each with their own shape. For example, snowflakes are made of ice crystals and each snowflake is different. You can make crystals by using salt or sugar. ...
The goal of this project is to reveal the vein structure or venation of leaves.The process of dissolving the soft plant tissue from leaves is a means of removing flesh, cleanly exposing vein patterns. ...
Rocks are not only changed by water, wind, and ice but can also be changed by chemicals. Chemical weathering is the process by which the actual minerals that rocks are made of are changed. Chemical we ...