Fluidized Bed Concepts and Principles

Fluidized Bed Concepts and Principles

Assessment

Interactive Video

Science, Physics

6th - 12th Grade

Practice Problem

Hard

Created by

Mia Campbell

FREE Resource

The video explores the concept of a fluidized bed, where sand becomes fluid-like when air is added. It provides a step-by-step guide to building a simple version using PVC pipes and discusses the science behind fluidization, including buoyancy and pressure. The video concludes with a fun demonstration involving the creator's nephews.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a fluidized bed primarily used for in industrial applications?

To heat materials evenly

To cool down machinery

To increase friction

To make materials flow smoothly

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key design feature of the DIY fluidized bed that allows air to be delivered effectively?

Multiple small holes

A sealed bottom

A wide open top

A single large air inlet

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What material was found to work well in the DIY fluidized bed besides sand?

Metal shavings

Water

Glass beads

Wood chips

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What sensation does the narrator describe when the air is turned off in the fluidized bed?

Feeling weightless

Floating upwards

Being locked in place

Sinking rapidly

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main scientific principle that allows sand to behave like a liquid in a fluidized bed?

Condensation

Fluidization

Magnetism

Evaporation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of fluidization, what does equilibrium mean for a grain of sand?

It is hovering

It is stationary

It is moving rapidly

It is sinking

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if the air pressure is increased too much in a fluidized bed?

The sand becomes solid

The sand particles fly out

The sand particles sink

The sand particles hover

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