- It helps to keep a notebook of spelling tips like these; revise frequently.
Use the term stalagmite when you are referring to the calcite deposits that build up from the floor. Think of ground, which starts with "g", which is also in stalagmite, to help you remember.
Use the term stalactite when your are referring to the calcite deposits that build down from the roof of the cave. Think icicles, or ceiling, words which also have the letter "c" in them, to help you remember.