Air Conditioner
Air conditioner. Photo courtesy of Rob Ireton, Flickr.
This photo is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Generic license: http://creativecommons.org/licenses/by-nc-sa/2.0/deed.en.http://www.flickr.com/photos/aoisakana/428815474/

Heat and air conditioning help us when the weather is hot or cold. These are examples of technology . Technology is using science to make things that make our life better or easier. Technology helps us live in different environments. People that live in places that are cold need to heat their homes and buildings. People in hot places can use air conditioning to keep homes and buildings cool.