Science 28 de abril

International Korean Christian Academy
Elementary fourth
Date: April 28th 2020.
Subject: Science
Topic: causes of contamination.
Objective: To identify the causes of contamination.

Actividad: about the before learning topics about contamination; choose on the following topic and make a video exposing.

 the following topic are: 

1- agrochemicals.

2- sewage water

3- domestic wastewater

4-industrial waste water.

5- acoustic contaminatio

5- causes of the contamination.

NOTA: enviar el video de la exposicion el dia miercoles 29 .

 activity: