fluids

If an object sinks in a fluid, _____.

• the density of the fluid is greater than the density of the object
• the density of the fluid is less than the density of the object
• the density of the fluid is equal to the density of the object
• density has nothing to do with whether an object sinks or floats, only which state of matter the object is

Which form of matter fills the space like it has in the balloon?

• liquid
• string
• solid
• gas

Which form of matter take the shape of a container like this juice?

• liquid
• solid
• glass
• gas

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

• fluid
• pressure
• buoyant

The upward force exerted by a fluid is called the...

• buoyancy force
• air force
• fluidity principal
• Harry Potter's law

Car brakes and car jacks are examples of

• hydraulic systems
• archimedes' principle
• atmospheric pressure
• buoyancy

Water pressure increases as depth increases. 

• True
• False

What does viscosity mean?

• How close the particles are together.
• The amount of matter in a substance.
• The thickness or thinness of a substance.
• A tool that measures air pressure.

Hydraulic pressure in machines takes advantage of what principal?

• Pascal's Principal
• Newton's Principal
• Water Principal

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