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.
Related Resources:
Teacher Demo: Potato Candle
Categories: Teacher Demonstration
In this demonstration, a peeled potato is cut into the form of a candle and an almond slice is used as the candle’s “wick.” The teacher lights the almond slice on fire and it burns. The... read more
Teacher Demo/Student Activity: The Candle Family
Categories: Lab/Student Activity, Teacher Demonstration
This activity is a good opportunity for students to exercise their hypothesis-generating skills, practice making quantitative observations, and apply what they have learned about the fire triangle... read more
Teacher Demo: Respiration in Yeast
Categories: Teacher Demonstration
This demonstration shows that the combination of yeast, sugar and water will produce a gas that can be collected. This provides students with an opportunity to draw on prior knowledge to identify the... read more