Corn Starch in Water (Kodel)

Author

Alan Kodel

Principle(s) Illustrated

• Not all fluids behave the way that Newton described them and they are called Non-Newtonian fluids

• Honey, Ketchup and Cornstarch in water are non-Newtonian fluids.

Standards

• Disciplinary Core Ideas- PS1.A: Structure and Properties of Matter

• Cross Cutting Concepts: Cause and effect: Mechanism and explanation

Questioning Script

Prior knowledge & experience:

Students should know how molecules behave in the different states of matter.

Students may have been introduced to the differences between physical and chemical change.

Root question:

Prediction, question, etc.

Target response:

What is the correct answer

Common Misconceptions:

The heat from your hand melts the cornstarch in water.

Photographs and Movies

Applications to everyday live

Tactical Assault Light Operator Suit (TALOS)- Liquid armor

The Non-Newtonian fluid is called Shear-Thickening Fluid (STF)

References

References (give the title of the page and insert a link. Don't just paste a URL)