Mix And Flow Of Matter

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  • 1/9 Questions

    Pressure is measured in ___ Work is measured in____ Force is measured in _____

    • Newtons,Pascales,Joules
    • Pascals,Joules,Newtons
    • Joules,Pascals,Newtons
    • Ml,g,ml squared.
    • None of the above
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About This Quiz

A grade 8 level Quiz about mix and flow of matter, WHIMS, Cells and Systems, Light and Optical System, mechanical System, and Fresh and Saltwater Systems.

Mix And Flow Of Matter - Quiz

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  • 2. 

    When you measure how thick or thin something is your measure how _____it is,

    • Viscouse

    • Dense

    • Buoyant

    • None of the above

    Correct Answer
    A. Viscouse
    Explanation
    When you measure how thick or thin something is, you are measuring how viscous it is. Viscosity refers to the resistance of a fluid to flow, and a high viscosity indicates that the fluid is thick or sticky, while a low viscosity indicates that the fluid is thin or runny. Therefore, the correct answer is "Viscous."

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  • 3. 

    What is a solution?

    • When a solute dissolves in a solvent

    • When a colloid dissolves in a solvent

    • When a Solvent dissolves a solute

    • When a colloid dissolves in a solute

    • All the above

    Correct Answer
    A. When a solute dissolves in a solvent
    Explanation
    A solution is formed when a solute dissolves in a solvent. In a solution, the solute particles are dispersed and evenly distributed throughout the solvent, resulting in a homogeneous mixture. This is the most common and basic definition of a solution.

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  • 4. 

    Condensation is The state in which a _______ goes to a _____

    • Gas to Solid

    • Liquid to Solid

    • Liquid to Gas

    • Solid to Gas

    • Gas to Liquid

    Correct Answer
    A. Gas to Liquid
    Explanation
    Condensation is the process in which a gas changes into a liquid. This occurs when the gas loses heat energy and its particles slow down, coming together to form a liquid. This can be observed, for example, when water vapor in the air cools and turns into liquid water droplets, forming clouds or dew.

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  • 5. 

    When air is released in a submarine it is able to dive.This process enable the sumbarine to

    • Decrease the viscosity

    • Decrease its pressure

    • Increase its buoyancy

    • Increase its density

    • Decrease its pressure

    Correct Answer
    A. Increase its density
    Explanation
    When air is released in a submarine, it increases its density. This is because the air takes up space and displaces water, causing the overall density of the submarine to increase. As a result, the submarine becomes heavier and sinks deeper into the water, enabling it to dive.

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  • 6. 

    All of the following are ways to increase Rate of Dissolving, exept...

    • Aggitation

    • Increase tempreture

    • Saturation

    • Decrease tempreture

    • Surface area

    Correct Answer
    A. Decrease tempreture
    Explanation
    Decreasing temperature does not increase the rate of dissolving. When the temperature is decreased, the kinetic energy of the solvent particles decreases, resulting in slower movement and fewer collisions with the solute particles. This leads to a slower dissolution process and a lower rate of dissolving. On the other hand, agitation, increasing temperature, and increasing surface area all contribute to an increase in the rate of dissolving. Agitation helps in mixing the solvent and solute particles, increasing temperature increases the kinetic energy and collision frequency, and increasing surface area provides more contact points for the solute particles to interact with the solvent.

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  • 7. 

    If it takes 60 seconds for 12 ml of dirty oil to flow out of an engie, the flow rate is....

    • 0.2

    • 20

    • 5

    • 0.5

    • 720

    Correct Answer
    A. 0.2
    Explanation
    The flow rate can be calculated by dividing the volume of oil (12 ml) by the time taken (60 seconds). Therefore, the flow rate is 0.2 ml/second.

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  • 8. 

    Fluid A has a flow rate of 9.2ml, per second, Fluid B has a flow rate of 10.5ml, per second. Compared to Fluid A, fluid B is...

    • The same

    • More Dense

    • More viscouse

    • Less Dense

    • Less Viscouse

    Correct Answer
    A. Less Viscouse
    Explanation
    Fluid B is less viscous compared to Fluid A because viscosity is a measure of a fluid's resistance to flow. A lower viscosity means that the fluid flows more easily, while a higher viscosity indicates a thicker, more resistant flow. Since Fluid B has a higher flow rate than Fluid A, it implies that Fluid B flows more easily and therefore has a lower viscosity.

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  • 9. 

    Which of the following statements is NOT true about the particle model of matter?

    • All matter is made up of tiny particles. 

    • Particles are always in motion. 

    • Particles have spaces between them. 

    • Particles are different sizes, but all have the same mass.

    Correct Answer
    A. Particles are different sizes, but all have the same mass.
    Explanation
    The particle model of matter states that particles of different substances have different sizes and masses. The mass of a particle is related to the type of atom it is and how many atoms are combined. For example, a particle of water (H₂O) has a different mass than a particle of carbon dioxide (CO₂).

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  • Current Version
  • Oct 17, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 22, 2009
    Quiz Created by
    Sarah3772
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