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Experiment Design

Sometimes children start with a question, or sometimes they have done some research.  Either way, the time has come to design the experiment.

Continue reading "Experiment Design"





Experiment Design

Start by describing exactly what you want to find out.  Your design should include three main parts.

  1. Problem
  2. Hypothesis
  3. Procedure

Keep it simple.  Don't try to design one experiment that answers every possible question.

When designing an experiment, be sure to describe exactly what you want to find out.  Most children will have one question that describes what they want to find out.  For example "Do small pieces of ice take the same time to melt as an ice cube if they are at room temperature?"

When you are designing the experiment, be sure to describe all the constant variables.  In this experiment, room temperature is a constant variable.

Next you need to describe how you will conduct the experiment.

"I will take two ice cubes the same size out of the freezer.  One will be put in a bowl on the counter.  One will be broken into smaller pieces and put in a matching bowl.  I will time how long it takes them to melt"

If you aren't sure about terms like controls or dependent variables, you can find out by reading What is an Experiment.

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