For activities that reinforce concepts from the text, check out the Homework Activities.Activity 76: Turn Off That Light! (233.0K) Activity 77: Getting Rid of Trash (299.0K) Activity 78: Sort the Trash (749.0K) Activity 79: The Three R's (395.0K)
Textbook Resources
Unit Resources
Chapter Activities
Game Center Resources
Teacher
Student
Please read our Terms of Use and Privacy Notice before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.
Activity 76: Turn Off That Light!
(233.0K)
