Pressure/Friction Magic Bottle (Erica Brauer)
The Magic Power of Rice
Author: Casey Hayes
Principle(s) Illustrated
Friction
Pressure
Force
When compacted it acts like a solid, when there is space between rice, it ask more fluid like a liquid.
Standards
DCI: PS1: Matter and Its Interactions
DCI : Motion and Stability: Forces and Interactions
CCC: Structure and Function
CCC: Cause and Effect
SEP1: Asking questions and defining problems
Questioning Script
Prior knowledge & experience:
Students should know some background in how matter interacts, they would know that these two materials are not going through a chemical change.
Root question:
1. How is the pencil strong enough to hold up the bottle of rice?
2. Why does one bottle with rice work and the other does not?
How can we relate this to every day life?
Target response:
Why is this happening? What is the "magic" behind this? What physical, chemical, or biological factors are at play?
Common Misconceptions:
I have not done this before so I do not know what the target response would be