Make this simple matching activity into a critical thinking assignment for older students. Before students complete the matching activity, they can go online and research which materials can be recycled and provide a link to their proof. Some possible sites to give as reference, if you want to provide hints:
Play this simple game with young students to help them learn about what can be recycled.
For more information about the Environment with Activities for K-8: The Everything Kids Environment Book, Adams Media 2007
When you research information you must cite the reference. Citing for websites is different from citing from books, magazines and periodicals. The style of citing shown here is from the MLA Style Citations (Modern Language Association).
When citing a WEBSITE the general format is as follows.
Author Last Name, First Name(s). "Title: Subtitle of Part of Web Page, if appropriate." Title: Subtitle: Section of Page if appropriate. Sponsoring/Publishing Agency, If Given. Additional significant descriptive information. Date of Electronic Publication or other Date, such as Last Updated. Day Month Year of access < URL >.
Amsel, Sheri. "Recycling Game - Can it Be Recycled?" Exploring Nature Educational Resource ©2005-2018. April 22, 2018
< http://www.exploringnature.org/db/view/1354 >