Fluids & Particle Theory
Viscosity & Flow Rate
Density
True or False
Miscellaneous
100

What are the three states of matter?

  • A. Gas, Plasma, Energy
  • B. Solid, Liquid, Gas
  • C. Liquid, Vapor, Light
  • D. Solid, Liquid, Plasma

Solid, Liquid, Gas

100

Viscosity is defined as:

  • A. A fluid's ability to evaporate
  • B. A fluid's resistance to flow
  • C. A fluid's temperature change rate
  • D. A fluid's ability to absorb light

A fluid's resistance to flow

100

What is the definition of density?

  • A. A measure of weight in relation to height
  • B. A measure of mass per unit of volume
  • C. A measure of volume per unit of mass
  • D. A measure of how quickly an object sinks in water

A measure of mass per unit of volume.

100

Oxygen is a fluid.

  • A. True
  • B. False

True

100

Which of the following fluids has the highest viscosity?

  • A. Water
  • B. Honey
  • C. Air
  • D. Gasoline

Honey

200

What is the definition of a fluid?

  • A. Any substance that evaporates quickly
  • B. Any substance that can conduct electricity
  • C. Any substance that flows and takes up space
  • D. Any substance that remains solid at room temperature

Any substance that flows and takes up space

200

Which fluid has the higher viscosity: Ketchup or 7-up?

Ketchup

200

What is the definition of mass?

  • A. The weight of an object in air
  • B. The amount of matter (particles) in a substance, measured in grams (g)
  • C. The volume of a substance
  • D. The density of an object per unit of volume

The amount of matter (particles) in a substance. Measured in grams (g).

200

Hot fluids have a higher density than cold fluids.

  • A. True
  • B. False

FALSE

200

Name one real-life situation where we would use our knowledge of viscosity to help us do something. Answers will vary. Decide if their answer is correct. See Mr. Bedard if you have questions.

Examples:

  • Driving: Selecting the right motor oil for our cars.
  • Cooking: Melting chocolate.
  • Art: Artists need to thin or thicken their paint.
300

This state of matter has no definite shape or volume:

  • A. Solid
  • B. Liquid
  • C. Gas
  • D. Plasma

Gas

300

True or False: A thin fluid (like water or alcohol) has a high viscosity

False. 

300

What is the definition of volume?

  • A. The weight of a substance in grams
  • B. The amount of space a substance takes up, measured in milliliters
  • C. The density of a substance per unit of mass
  • D. The temperature of a substance in degrees Celsius

The amount of space a substance takes up. Measured in mililitres?

300

The particles in a solid are farther apart than particles in a gas.

  • A. True
  • B. False

False.

300

Give an example of a fluid with a high density. 

Corn 

Syrup

Honey

Liquid 

Dish Detergent   *Basically, any thick liquid

400

All matter is made up of:

  • A. Very small particles
  • B. Large visible objects
  • C. Energy waves
  • D. Magnetic fields

Very small particles

400

What is the definition of "flow rate"?

  • A. The speed at which a fluid cools down
  • B. The amount of fluid that evaporates over time
  • C. The time it takes for a fluid to flow from one point to another
  • D. The distance a fluid travels before stopping

The time it takes for a fluid to flow from one point to another

400
What happens to the particles in a fluid when we heat it up?
The particles move faster and spread apart.
400

Water has a lower viscosity than maple syrup and flows faster.

  • A. True
  • B. False

Water has a lower viscosity than maple syrup and flows faster.

  • A. True
400

Give an example of a fluid that is a gas. Examples will vary. See Mr. Bedard if you have questions.

Air

Steam

Oxygen

Carbon Dioxide

Neon

Freon


500

Which of the following is one of the five principles of the Particle Theory of Matter?

  • A. Particles have a fixed shape
  • B. Particles are always stationary
  • C. Particles are attracted to one another
  • D. Particles do not occupy space

Any of 

*There is space between the particles

*The particles are always moving

*The particles are attracted to one another

500

Rank the flow rate of the following substances from Slowest to Fastest: Yogurt, Water, Hot Chocolate.

Yogurt, Hot Chocolate, Water.

500

Which is more densely packed together, cold or hot water?

  • A. Hot water
  • B. Cold water
  • C. They have the same density
  • D. It depends on the amount of water

 

The cold water is more dense.

500

True or False: Water is more dense than oil.

  • A. True
  • B. False

True. That is why water sinks and oil floats on top.

500

Which one of these has the lowest viscosity? 

Chocolate Syrup or Coke.

Coke.

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