Theme Review

In Theme 3, you:

learned about how living things take in materials through ingestion and absorption

learned about common organic and inorganic substances that are essential for life

learned about how chemicals dispersed into the environment can harm the planet

learned about Canada's Food Guide

learned what a balanced diet is

compared a traditional Indigenous diet with the diet of a typical Canadian


learned about the tragedy in Walkerton, Ontario, that involved their water supply

learned about air quality and human health as well as how to identify acids and bases based on their pH

learned about the pH scale and why it is important for scientists to measure it in our environment

learned what toxins are

learned various ways that hazardous materials are dealt with

learned about ways to safely store and dispose of hazardous household and workplace chemicals

learned about how oil spills, such as the one from the Exxon Valdez, can have long-lasting effects on the environment