00926cam a2200169 4500 10455615 TxAuBib 20081009120000.0 090831|||||||||||||||||||||||||||||und|u TxAuBib Switching on Science: Earth / AT Software. SoftTouch. This software offers Earth Science lessons that are accessible to all users. Students will be exposed to lessons on earth, water, fire, and natural disasters. Each section contains a mixture of video and still photographs. Teachers can customize the length of each lesson, as well as the students' means of access (mouse, adapted mouse, single switch). This program comes with a bonus CD that includes printable overlays. 20081009. http://www.softtouch.com/