Scientific Question

Now that you have made observations, you are ready to start on your science experiment. Before you start getting out the materials, you first need to plan for your experiment. The first step is creating a good testable research question. A scientific question is not base on opinions, and must be measurable.

There are two basic parts of a scientific question:

1. Something that you are testing
2. How you will measure the results

You can create a scientific question for almost anything, as long as you can measure the results. Look at the example of good (testable) and bad (opinion) scientific questions:

Good: How does the weight of a paper airplane affect the distance it flies?
Bad: What design of an airplane is best?

Good: How does the height of a student affect their speed?
Bad: Are taller people better at sports?

Here is a list of measurable words that could be in your testable questions:
Height, weight, sound, distance, speed, amount, time