ppt for demonstration harmful and useful materials

4. and
materials

12. TIME MANAGEMENT 10 POINTS
TEAM WORK 10 POINTS
TOTAL: 20 POINTS
RUBRICS

13. Station 1 - HOSPITAL
Dextrose Expired Medicine used syringes
used cotton and bandage Packaging boxes

14. Station 2- MARKET
used plastic bag fruit peelings bleaching agent
paper cup empty peanut butter jar

15. Station 3- SCHOOL
Paint Table Trash bin
old book
empty bottle of
used ink

16. Are all materials found in
each station are safe to
use?

17. • empty peanut butter jars
• old books
• paper cups
• packaging box
• fruit peelings
• Tables

18. • Expired medicine
• used syringe
• used cottons and bandage
• bleaching agent

20. or

21. Your mother went to the NCCC Supermarket
and bought some materials at home. There are 2
eco bags and you are told to arrange it.

22. Directions: Identify the materials below if it is
useful or harmful based from the pictures
given
below.
___________1.
___________2.
___________3.
__________4.
___________5.

23. Assignment:
In a 1/2 sheet of paper answer
the following question.
When do the materials become
harmful ?