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Question 1

What is a fluid?

Answer 1

A substance that can flow and take the shape of its container.

Examples of fluids include liquids and gases.

Question 2

What do WHMIS symbols represent?

Answer 2

Workplace Hazardous Materials Information System symbols that indicate hazards associated with materials.

WHMIS symbols help ensure safety in the workplace.

Question 3

What is a slurry?

Answer 3

A mixture of solid particles suspended in a liquid.

Question 4

Define a pure substance.

Answer 4

A material made of only one type of particle.

Question 5

What are the types of mixtures?

Answer 5

Homogeneous and heterogeneous mixtures.

Homogeneous mixtures have a uniform composition, while heterogeneous mixtures do not.

Question 6

What is a solution?

Answer 6

A homogeneous mixture where one substance is dissolved in another.

Question 7

What does concentration refer to?

Answer 7

The amount of solute in a given volume of solvent.

Question 8

What is solubility?

Answer 8

The ability of a substance to dissolve in a solvent.

Question 9

What is the particle model of matter?

Answer 9

A model that explains the properties of matter in terms of particles in constant motion.

Question 10

Define viscosity.

Answer 10

A measure of a fluid’s resistance to flow.

Question 11

What is density?

Answer 11

The mass per unit volume of a substance.

Question 12

What is buoyancy?

Answer 12

The ability of an object to float in a fluid.

Question 13

What is pressure?

Answer 13

The force exerted per unit area.

Question 14

What is a hydraulic system?

Answer 14

A system that uses liquids to transmit force.

Question 15

What is a pneumatic system?

Answer 15

A system that uses gases to transmit force.

Question 16

What are valves used for?

Answer 16

To control the flow of fluids in a system.

Question 17

What is the purpose of pumps?

Answer 17

To move fluids from one place to another.

Question 18

Give examples of fluids.

Answer 18

Water, oil, air, and alcohol.

Question 19

What are safety rules in the lab?

Answer 19

Wear safety goggles, handle chemicals with care, and know emergency procedures.

Question 20

How can you calculate solubility?

Answer 20

By determining the maximum amount of solute that can dissolve in a specific amount of solvent at a given temperature.

Question 21

What can increase the rate of dissolving?

Answer 21

Stirring, increasing temperature, or increasing surface area of the solute.

Question 22

How does temperature affect properties of fluids?

Answer 22

Increasing temperature typically decreases viscosity and increases solubility.

Question 23

What is the relationship between viscosity and flow rate?

Answer 23

Higher viscosity results in a lower flow rate.

Question 24

What are the states of matter related to the particle model?

Answer 24

Solid, liquid, and gas.

Question 25

What is the relationship between density and buoyancy?

Answer 25

Objects with a density less than the fluid will float; those with greater density will sink.

Question 26

What is Pascal’s Law?

Answer 26

Pressure applied to a confined fluid is transmitted undiminished in all directions.

Question 27

How do you calculate density?

Answer 27

Density = Mass / Volume.

Question 28

Name a real-life application of solubility.

Answer 28

Salt dissolving in water for cooking.

Question 29

What are submarines and submersibles used for?

Answer 29

To explore underwater environments.

Question 30

How do you calculate pressure in a hydraulic system?

Answer 30

Pressure is equal on both sides when there are two pistons.

Question 31

What are the key differences between hydraulic and pneumatic systems?

Answer 31

Hydraulic systems use liquids; pneumatic systems use gases.