WHY use a Grooved Trowel? My mom and I are trying to do some preparation for installing...

My mom and I are trying to do some preparation for installing some tile as a backsplash in her kitchen. We are wondering why do you have to use a grooved trowel. Its part of a set of all the instructions, but we have no notion why, and how important it is. Is it possible to place the tiles without have grooves in it? If not, what will happen if it doesnt hold the grooves?
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within are trowels of differrent sizes.some have 3/8,some1/4 inch spaces. these spaces make a suction surrounded by the gaps. they are extremely important.read a how to guide from the library. its an easy job,but in attendance are little tricks you will wish you knew in the region of.take 10 minutes to read it.
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A grooved trowel allows the adhesive (mastic or thinset ) room to disperse when you set the tile. The grooves also hold better next to less slippage than spreading the adhesive smooth.

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The grooved trowel acts as a depth controller for the adfhesive. The size of the tile determines what length of "tooth" is on the trowel you use. You can space the tile however you want; smaller grout lines are generally used at the present time, and yes, I think you could just butt the tiles up to respectively other and not have to use grout - if your family isn't a messy one who'll hold lots of splashes on the backsplash.
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you need to make the grooves within the adhesive if yopu dont you can get nouns pockets under the tile and it wont stick or it may crack.the grooves need to be adjectives in the same direction and next to the proper spacing.check the lable on the adhesive it will say what trowel to use
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Answers:    If the trowel you are using is designed for laying tile adhesive, after the grooves will consistently lay the correct amount of glue. Use one pass of the trowel to lay the gum (a little more than you actually need) and a second pass to chafe up the excess. The spaces in the edge of the trowel will move the proper amount of adhesive behind every time. If you use a flat lip trowel, you will need to manually control the quantity of cement laid by "floating" the trowel. Accurate floating is a skill that takes a little bit of practice.
When purchasing your trowel, bring some help from a salesperson to make sure you receive the right sized "grooves" for the type of tile job you are doing. It is worth it to get the trowel near the grooves. It will make your job easier and the tiles will stay within place for a lifetime.