Light Intensity - Directions
Using the Light Intensity Concept Builder is quite simple. You will be presented with information regarding the illuminance on a surface some distance from a light bulb. You will then be asked to determine the new illuminance value that would result if light bulb power and/or separation distance between bulb and surface were changed by some factor. Answer the question by typing the new illuminance into the provided answer box. Once you are satisfied with your answer, tap on the Check Answer button. Your answer will be evaluated and your Progress Report will be updated.
Your goal is to earn "Stars" and to complete one or more activities. Stars are earned when you show success on a particular question. Once you show success on all the questions for a particular activity, you will earn the trophy for that activity.