Grade 8 - Fluids - End of Unit Quiz

If an object's density is more than the density of the fluid it is in, it will...

• float

• sink

Buoyancy is

• an upward force

• a downward force

Viscous fluids are...

• thin

• thick

Viscosity of fluids can be better understood by measuring a fluid's ...

• temperature

• mass

• flow rate

• force rate

A flow of lava travels across a Hawaian beach and travels 1 km in 2 hours. What is its flow rate?

• 2 km/hr

• 0.5 km/hr

• 20 km/hr

• 10 km/hr

In an enclosed pressurized system, such as hydraulics or pneumatics, the pressure acts...

• upwards

• downwards

• sideways

• in all directions

Pneumatics is the name for an enclosed, pressurized system filled with...

• water

• air

• oil

• helium

What do we call the the amount of force exerted on a certain area?

• fluid
• pressure
• buoyant

This is a measurement of the amount of matter, or 'stuff', in an object or substance.

• volume
• density
• mass
• length

When pressure is applied to a confined fluid, the increase in pressure is transmitted equally to all parts of the fluid. This fact is called________.

• Pascal's Principle
• Newton's Principle
• Archimedes' Principle
• Bernoulli's Principle