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Categories: Teacher Demonstration
This demonstration will help students understand what is required for an image to be formed by a lens. As well, it will help to diagnose possible misconceptions about image formation. read moreCategories: Lab/Student Activity, Teacher Demonstration
In this demonstration, students observe what happens to activated glow sticks when they are submerged in water at three different temperatures: cold, room temperature, and hot. Students will use these observations to discuss the type of light emission associated with... read moreCategories: Lab/Student Activity, Teacher Demonstration
This demonstration allows students to experimentally determine the speed of light by heating a piece of chocolate in a microwave oven. This demonstration is best used as an enrichment activity as the concepts involved go beyond the curriculum expectations. Still, the... read moreCategories: Lab/Student Activity, Teacher Demonstration
This demonstration is an entertaining way to introduce simple chemical reactions and the types of evidence that indicate the occurrence of chemical change, including the production of a gas. A link can be provided to the gas tests conducted in Grade 9 to help focus... read moreCategories: Lab/Student Activity
This activity can be an engaging way for students to visualize how ionic compounds are formed and where their formulas come from. Although it will take time to create the decks of cards the first time around, they can be reused year after year. This game can be used... read moreCategories: Teacher Demonstration
In this demonstration, a chemical reaction is used to make a hidden message visible. The demonstration illustrates an entertaining application of chemical reactions in toys and everyday objects. It is also an interesting way to start the discussion of acids and bases,... read moreCategories: Teacher Demonstration
In this demo, a polyethylene strip is charged by rubbing with wool. The charged strip is then used to make paper circles stand on their edges inside a Petri dish. This demo introduces students to the charging of materials by induction as opposed to charging by... read moreCategories: Lab/Student Activity, Teacher Demonstration
This demonstration illustrates the presence and importance of chemistry in everyday objects, including our food. It is an interesting way to start the discussion of acids and bases or to connect acids and bases to the pH scale and extend the discussion to acid-base... read moreCategories: Lab/Student Activity, Teacher Demonstration
In this demo, two polyethylene strips are charged on one end by rubbing with wool. One charged strip is then mounted on an evaporating dish and the other charged strip is used to make the dish spin. As both strips become negatively charged when rubbed with wool they... read moreCategories: Teacher Demonstration
This demonstration is definitely an eye-catching crowd-pleaser. It is a great demonstration to show the interconnection between physics and chemistry, linking an example of light emission to evidence of chemical reactions. It is similar to a common example of... read more