How Many Monarchs in Mexico? Winter Population Estimates (Back to Lesson) National Science Education Standards Inquiry Science investigations involve asking and answering a question and comparing that to what scientists already know about the world. (K-4) Scientists use different kinds of investigations depending on the questions they are trying to answer (K-4) Simple instruments provide more information than scientists obtain using only their senses. (K-4) Different kinds of questions suggest different kinds of scientific investigations. (5-8) Science and Technology Tools help scientists make better observations, measurements, and equipment for investigations.   Copyright 2006 Journey North. All Rights Reserved. Please send all questions, comments, and suggestions to our feedback form