World Book , print, CD-ROM, and Online. Click on the Theater. Students can watch 5 videos that describe ways in which humans affect the environment and what can be done to conserve resources. This video teaches students about recycling showing the students that recycled plastic can be used to make clothing. Students learn about sewage treatment using natural cleansing procedures Colored Cotton.
Students learn that recycled materials can be used to build beautiful homes and businesses.
They also learn that wood can be used in building projects if the forests are managed properly to insure a continued supply of building materials. Demonstrate an understanding of the basic needs of living things. Young Scientist , vol. Topic Webs Finding out about growth. P. 116, Vol. 5.