TED-ED: Why is ketchup so hard to pour? - George Zaidan

The video explores the unique behavior of ketchup, a Non-Newtonian fluid, which behaves differently from typical Newtonian fluids like water. Ketchup's viscosity changes based on the force applied, making it both a solid and a liquid under different conditions. The video explains the science behind this behavior, including the role of tomato particles and the impact of time and force. It also provides practical tips for pouring ketchup effectively.

Explain why ketchup can be considered both a solid and a liquid.

What are the two ways ketchup behaves as a Non-Newtonian fluid?

Describe the role of tomato particles in the behavior of ketchup.

What happens to ketchup when a weak force is applied quickly?

What are the two methods suggested for getting ketchup out of the bottle?