3/9 - 8th Grade Agenda Learning Objective: Learn about Bernoulli’s Principle Collect HW: Reading & Notetaking p.198 – 199 Textbook Reading p. 432 - 436.

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Presentation transcript:

3/9 - 8th Grade Agenda Learning Objective: Learn about Bernoulli’s Principle Collect HW: Reading & Notetaking p.198 – 199 Textbook Reading p. 432 - 436 HW: Reading & Notetaking p.201 – 202

Daily Reflection Prompt: What allows birds and airplanes to fly?

Archimedes 287-212 BC King Hieron suspected that the gold crown that he received from his gold smith was not of pure gold He asked Archimedes to investigate and prove his findings

How did Archimedes solved the problem? He knew Gold and Silver weighed different amounts If he knew the volume of the crown then he can compare it’s weight against the weight of equal amount of gold and silver How can you find a volume of crown?

How did Archimedes solved the problem? While taking a bath, he realized that the water that ran over equaled in volume the submerged part of his body He now knew the volume of the crown and by weighing it he proved that it was not made of pure gold.

Archimedes’ Principle

Pascal’s Principle When force is applied to a confined fluid, the change in pressure is transmitted equally to all parts of the fluid

Hydraulic Device

Hydraulic Brakes

Bernoulli's Principle faster a fluid moves, the less pressure the fluid exerts.

Does the Movement of Air Affect Pressure?

Bernoulli's Principle :Why do airplanes fly?

Bernoulli's Principle : Why an atomizer works

Bernoulli's Principle: Why hot air rises

Leonardo Da Vinci’s Flying Machines - 1500 AD