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Mix & Flow Questions

QuestionAnswer
There was a clear substance in a measuring cup. A student poured the substance out of the cup onto the table forming a pile. The substance was not a fluid because It did not keep flowing until it was completely spread out
Fusion occurs when a substance changes from A solid to a liquid
Salad, gravel and soil are not examples of a/an Colloid
Mayonnaise, ketchup and fog are examples of a/an Colloid
Bob was adding salt to water stirring until it dissolved. He added 10 ml and kept adding until no more would dissolve. This is an example of a/an Saturated solution
In a saturated solution to have more of the solute dissolve you would need to Heat the solvent
There was a mixture containing salt and water. The solute is the Salt
a cup containing water and dissolved salt is a Solution
In a cup of water and dissolved salt the water is the Solvent
Why can you not clean a grease covered frying pan with just water? Grease is insoluble in water
What would be least suitable method for separating a mixture of sand and water? Settling and decanting
What is the relationship between viscosity in liquids and flow rate? The higher the viscosity, the lower the flow rate.
The relationship between viscosity in liquids and flow rate is not described as The lower the viscosity the higher the flow rate
The relationship between viscosity in liquids and flow rate is not described as The higher the viscosity, the higher the flow rate.
The relationship between viscosity in liquids and flow rate is not described as The lower the viscosity, the lower the flow rate.
The relationship between the viscosity of gases and temperature can be described as As temperature rises, viscosity increases.
The relationship between the viscosity of gases and temperature is NOT described as As temperature rises, viscosity decreases.
The relationship between the viscosity of gases and temperature is NOT described as As temperature rises, viscosity increases then decreases.
The relationship between the viscosity of gases and temperature is NOT described as Temperature has no effect on viscosity.
The main reason that a piece of wood floats on water is Wood is generally less dense than water
Buoyant force is not the amount of mass a substance has when it floats on a fluid.
Buoyant force is not the density of an object floating on a fluid.
Buoyant force is not the difference between the density of the object floating on a fluid and
the density of the fluid.
Buoyant force is the upward force exerted on an object’s submerged in a fluid. A ship made of steel that has been fully loaded with cargo will not sink in water if
The relationship between buoyancy and density is best described as The greater the density of a substance the less is its buoyant force.
The relationship between buoyancy and density is not described as The greater the density of a substance the less is its buoyant force.
A hydrometer is not used to measure the density of Solids
A hydrometer is used to measure the density of liquids
The main reason that gases can be compressed is that The spaces between the particles are very large
The reason that liquids and solids are incompressible is that There is very little space between the particles
When an external force is applied to a liquid The force is transmitted form one particle to the next throughout the substance
You can hit a balloon filled with air with a great deal of force and not hurt yourself because the Compressed air cushions the shock
As you climb up Mt. Everest the atmospheric pressure decreases because The atmosphere is less dense as you gain altitude.
Barometers are used to measure Air pressure
A balloon is connected to the top of an empty water bottle. If you squeeze the bottle the balloon will Inflate a small amount
An instrument is made up of a small piston and a large piston. The input force would be on the The piston with the smallest area
Pressure is measured in Pascals
In the formula P F/A, Force is measured in
Pneumatic systems are similar to hydraulic systems except Gases are used instead of liquids
The operation of pneumatic systems is based on the fact that gases can be Compressed
In pneumatic systems gases move from areas of higher pressure to Areas of lower pressure
Pneumatic systems are not based on the fact that Compressed gases weigh less than non-compressed gases
A fluid is a Substance that will flow
Liquids and gases Form fluids at room temperature
Solids have a Definite volume and shape
Solids and liquids have a Definite volume
All substances are made up of Tiny particles
All particles in a pure substance are The same
Different pure substances are made up of Different particles
Particles are always in motions moving From place to place
The strength of an attractive force depends on The type of particle
The particles in a solid are Tightly packed
The particles in a gas are Far apart
Sublimation is the change of state from a Solid to gas or gas to solid
Fusion is the change of state from a Solid to a liquid
Vaporization is the change of state from a Liquid to a gas
Condensation is the change of state from a Gas to a liquid
Melting is the change of state from a Solid to a liquid
In fusion heat is added making the particles Move faster
In condensation heat is removed making the particles move More slowly
What method is used to separate petroleum into its components Fractional distillation
The method best used to separate gold from quartzite would be Filtration
Smelting is used to separate some metals from ore. Smelting is different from the way gold is separated because in smelting the mixture is Heated
Distillation is a method of separating a Solute from its solvent
The particle model is a theory that explains what The properties of liquids, solids and gases.
The form of matter that does not have a definite shape or volume is a Gas
Particles that are tightly packed together and only vibrate are Solids
In this form of matter there is a great amount of space between the particles that move quickly Gas
A mixture is a Combination of two or more substances such that each of the substances retains its properties.
A solution is a type of Homogeneous mixture
A mechanical mixture is a Heterogeneous mixture
Water is commonly known as the Universal solvent
The three factors that affect the rate of dissolving are Agitation, temperature, pressure
The relationship between the density and distance between particles is described as The greater the distance between the particles the less density
The relationship between the density and attraction between particles is described as The greater the attraction between the particles the greater the density
The relationship between density and temperature is The higher the temperature the lower the density
Mass is defined as The amount of matter in a substance
Volume is the Amount of space occupied by a substance
Weight is the Force of gravity exerted on an object
To calculate a mass-to-volume ratio you will need to Divide the mass by the volume
Archimedes’ principle is the The buoyant force acting on an object equals the weight of the fluid displaced by the object.
The buoyant force of a liquid depends on its Density
The buoyant force of a liquid with a higher density will be greater than The buoyant force of a liquid with a lower density
Object float more easily on salt water than on fresh water because The salt water is denser than fresh water
Object float less easily in vegetable oil than water because Vegetable oil is less dense than water so it has less buoyant force.
The viscosity of a liquid Decreases as its temperature increases
The less viscous a fluid The greater the flow rate
The viscosity of a gas Increases as its temperature increases
The thicker a liquid The more viscous it is
The higher a fluid’s viscosity the Lower its flow rate
Created by: sjchampion
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