Respuesta :

jcherry99

Answer:

Explanation:

Experiment 1.

  1. Independent variable: Soil
  2. Dependent variable:    Height of plant
  3. Constants :                   Sunlight and amount of water for each.
  4. Control:                         Use of same kind of corn seeds

Experiment 2

  1. Independent Variable: The drinks used
  2. Dependent   Variable:  The amount worn away by each liquid.
  3. Constants                   :   The type of Jar used.
  4. Control                        : She better be using the same kind of bone. A part of a thigh bone would be best.

Experiment 3

  1. Independent Variable          :The type of water used to water the plants.
  2. Dependent   Variable           : the growth of the plants  
  3. Constants                              : soil, containers time of exposure to sunlight                        
  4. Control                                   : identical tulip plants.

 

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