Condition: New,UPC: 9781557996909,Publication Date: Sun, November 1, 1998,Type: Paperback ,
description
5Energy: Light, Heat, & Sound covers these concepts: - energy can move and change things - energy exists in many forms - light is energy you can see - light moves in a straight line - light can pass through some materials and is stopped by other materials - light can be controlled by blocking a light source - heat is energy you can feel - heat can cause things to move and change - heat travels from warm objects to cold ones - heat can be controlled by containing it - sound is energy you can hear - sound energy is created by vibrating objects - sound travels at different speeds through different materials - sound can be controlled by changing the length of, or directing, sound waves - light, heat, and sound can move and change matter A variety of engaging activities present the concepts in ways that students can understand. Each concept presented includes: - teacher directions for lessons - reproducible resource pages such as sets of picture cards, minibooks, and lab sheets to record the results of hands-on investigations