Did you know that smoke detectors can "smell" smoke before people do? Their alarms tell you that a fire might be close by so you and your family have time to get outside safely. Find out more about how to be safe with fire in Fire Safety, part of the Safety First series. This is an AV2 media enhanced book. A unique book code printed on page 2 unlocks multimedia content. This book comes alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more.