This Supplementary Material is a teaching aid for teachers to improve their ways in developing the concept on how chemical substances can pollute air.
Objective
A. Describe how chemical substances can pollute air
B. Recycle waste materials
C. Share one’s opinion on the importance of some waste materials around us
Curriculum Information
Education Type
K to 12
Grade Level
Grade 4
Learning Area
Science
Content/Topic
Earth and Space
Intended Users
Educators
Competencies
Infer that chemical substances can pollute soil and water and air
