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Science 8 > Mix and Flow Of Matter > Flashcards

Mix and Flow Of Matter Flashcards

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0
Q

What is a Pure Substance?

A

Have only 1 type of Particle

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1
Q

What is the particle theory of Matter?

A
  1. All matter is made up of Particles
  2. Particles are always moving
    3 . There are spaced between Particles
  3. Added heat energy will make the particles move faster and further appart
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2
Q

What is an element?

A

Have only one type of particle, eg, Copper, Gold, Oxygen

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3
Q

What are Compounds?

A

Matter with more then one type of particle. eg, Water, Carbon Dioxide, Glucose

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4
Q

What is a Mixture?

A

2 or more properties,

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5
Q

What is a Mechanical mixture?

A

Can see the different parts, heterogenous. eg, chocolate chip cookie, granola bar.

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6
Q

What is a Solution?

A

Only see 1 part, homogenous mixture. eg, iced tea

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7
Q

What is a Slurry?

A

Solids mixed in with liquids

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8
Q

Fluids

A

Flow, take the shape of a given container, gas or liquid

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9
Q

What is a Dilute mixture?

A

A small amount of solute is dissolved n a large amount of solvent.

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10
Q

What is a Concentrated mixture?

A

A large amount of solute in solvent.

  • Add more solute
  • Remove Solvent
    • Evaporation
    • Distillation
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11
Q

What is a Saturation Point?

A

Maximum amount of solute in a solvent.

  1. Make it
  2. Saturate it
  3. Heat it
  4. Add more solute
  5. Cool down
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12
Q

What is the Calculation for Concentration?

A

Millilitre

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13
Q

What is Solubility?

A

The amount of solute that cen be dissolved in a secific volume of solvent at a precise tempurature

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14
Q

What are the types of Solubility?

A
  1. Soluble

2. Insoluble

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15
Q

How are Gasses and Liquids solubility effected from Temperature change?

A 
Solids
-Increase Temperature
-Increase Solubility
Gasses
-Decrease Temperature
-Increase Solubility
16
Q

What is Viscoity?

A

The resistance to flow,
Temperature Increase
Viscosity Decrease

17
Q

What is Flow Rate?

A

How quickly a substance flows.

Time Taken

18
Q

How do you calculate Density?

A

Mass
D= ———-
Volume

g or g
– –
ml cm3

19
Q

What is buoyancy?

A

Upward force.
High density, sink
Low density, float

20
Q

What is Compressibility?

A

Liquids
-Incompressible
Gasses
-Compressible

21
Q

What are examples of Technologies the use the abilities of matter to make everyday tasks easier?

A

Oil grades, Detegents, Hydraulics, Pneumatics and Seperation

Science 8 (5 decks)

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