How can you distinguish A from B? In this lab, you will do experiments to identify types of changes. Using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments.

a basic emergency supply kit could include the following recommended items: water - one gallon of water per person per day for at least three days, for drinking and sanitation. food - at least a three-day supply of non-perishable food. battery-powered or hand crank radio and a noaa weather radio with tone alert.