Inquiry-based learning (also enquiry-based learning in British English)[1] is a form of active learning that starts by posing questions, problems or scenariosârather than simply presenting established facts or portraying a smooth path to knowledge. The process is often assisted by a facilitator.
A tiltmeter on Mauna Loa, used to predict eruptions by measuring very small changes in the profile of the mountain. A tiltmeter is a sensitive inclinometer designed to measure very small changes from the vertical level, either on the ground or in structures.
A goniometer is an instrument that either measures an angle or allows an object to be rotated to a precise angular position. The term goniometry is derived from two Greek words, gÅnia, meaning angle, and metron, meaning measure. The first description of a goniometer, derived from the astrolabe, was apparently in 1538, by Gemma Frisius.