EXPERIMENT QUESTION REGARDING SOIL & FLOWERS...?I'm going to do an experiment regarding soil. I know I'm going to grow lavatera flowers but I don't know what question I'm going to answer. It...

EXPERIMENT QUESTION REGARDING SOIL & FLOWERS...?

I'm going to do an experiment regarding soil. I know I'm going to grow lavatera flowers but I don't know what question I'm going to answer. It will be something like "what type of soil is best for lavatera flowers?" - but that's something simple. I want some question that is interesting and a question using better vocabulary. any ideas???

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trophyhunter1 | College Teacher | (Level 1) Educator Emeritus

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You could ask--what is the optimal ph of the soil used to grow lavatera flowers? Next, you could construct your hypothesis. It should be a possible answer to the question. You could say, Lavatera would grow best in an acidic soil. You could say it would grow best in an alkaline ph, or you could say it would grow best in a neutral ph. When you then design your experiment, you must have the same type of Lavatera seeds for all your pots, the same amount of sunlight and the same amount of water. The only thing you will vary is the type of soil in your experimental set-up. The control group will contain a soil that doesn't have the variable you are testing. For example, if you believe an acidic soil is best for lavatera, then, the control group will have a soil that is close to a neutral ph. You will need to run your experiment for several weeks and measure the growth rate. Collect that data and put it into a data table. At the end of your experiment, you will analyze your data and come up with conclusions regarding whether your hypothesis was correct or not. 

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