Grade 8 Fluids Review | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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A review before the Grade 8 Fluids Unit Test

Study Slideshow

Name 5 fluids

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What kind of flow does this diagram represent? Draw a diagram to show the other kind.

Turbulent

Cohesion is....

the strength of attraction between particles of a fluid

Adhesion is...

the force of attraction between particles of a fluid and particles of other substances

In a tube, is flow faster in the center or at the edges? Why?

The center (because of adhesion)

What does a blood thinner do to the viscosity of blood? How does this affect blood pressure?

Decreases viscosity, decreases blood pressure

Density = mass / volume. What does this formula tell us?

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Water has a special property to do with density and temperature. What is it?

Water gets LESS dense when it becomes a solid (because its particles form crystals which have more space in between)

What is buoyancy?

The upward force a fluid exerts on an object.

Which has greater buoyancy - salt or fresh water?

Salt water (more dense)

Which will float better - an object which displaces 10kg of water, or an object which displaces 50kg of water? Both have the same mass.

50kg - more displacement, better floatation.

1Pa = 1N / m^2. What does this formula say, and what does "Pa" represent?

Pressure equals Force in Newtons divided by Area in meters squared. Pa = Pascals

Explain the difference between hydraulic and pneumatic systems.

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What would happen if you teleported to the bottom of the Mariana trench with just a high-tech oxygen tank?

You would be crushed by water pressure.

Two objects have the same mass, but different density. What can you say about their volume?

The more dense object will have a smaller volume.

Plunger A has an area of 10cm^2, and Plunger B has an area of 50cm^2. How much more force can be exerted by Plunger B?

5 times