Creating an Experiment from a Model, or Demonstration
Elementary and middle school science projects almost always have to be done in the form of an experiment. Many times, a model can be used in an experiment, and variables can be added to a demonstration, so that it can be one, too.
Kids Science Experiments
I’ve been looking all over for good kids’ science experiments. Trust me, true experiments are not easy to find! It amazes me that reputable science publications will label any sort of science activity as an experiment. An experiment is a test of the relationship between two variables that have measurable results that can be replicated. Here are some ways to turn non-experiments into the real deal.
Dependent and Independent Variables – Figuring Out Which is Which
I got an email from a customer today. She was having trouble distinguishing the independent variable from the dependent. She’s doing the “Vitamin ‘C’itrus” project, in which you count the number of iodine indicator drops added to several samples of fruit juice, thus determining how much vitamin C is present in each sample.
Here’s my response: [...]