ZE
- 4. MATERIALS
•Hubba Bubba Gum
•Trident gum
•Juicy Fruit Gum
•Tape Measure
•12 pieces of poster board
•Parental Supervision
•Colored sharpies
•12 inch ruler
- 7. LINKS
www.chem4kids.com/files/bio_intro.html
www.ehow.com/about_4607027_what-makes-gum-stretch.html