Physical Properties/ Changes Flashcards

1
Q

What are the two types?

A

Qualitative and quantitative

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2
Q

What is a qualitative property

A

Involves the 5 senses

Hear, sight, smell, taste and touch

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3
Q

What is a quantitative property?

A

A measurement (numerical value)

Temp., height, density, mass, volume, solubility, etc

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4
Q

What sense are you using if you find the colour

A

Sight

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5
Q

What are the 3 states?

A

Solid, liquid and gas

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6
Q

What sense are you using if you find texture?

A

Touch

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7
Q

What kind of odours can you smell from a substance?

A

It can be spicy, burnt, odourless, etc

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8
Q

What types of lustre could a substance be?

A

The substance can be shiny or dull

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9
Q

What are some types of “clarity”?

A

Transparent, translucent, opaque

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10
Q

What does it mean if an object is opaque?

A

Has a solid look, you can’t see through it

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11
Q

What does it look like if an object is translucent?

A

It isn’t full see-through, but light can go trough it

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12
Q

Different types of texture?

A

Fine, coarse, smooth, gritty, etc

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13
Q

What does it mean to be malleable?

A

The shape of the object can be altered, some metals when heated can have their shapes changed

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14
Q

Why does ductility mean?

A

It means that the object can be shaped into a thin wire-like shape( like gum for example)

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15
Q

What is a melting point?

A

The temperature at which a solid will melt

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16
Q

What is a boiling point?

A

The temperature at which a liquid will start to boil

17
Q

What is hardness

A

It’s a measure of a solids resistance to being scratched or dented

18
Q

What is solubility?

A

The ability to dissolve in a solvent.

Salt is soluble in water while oil isn’t

19
Q

What is viscosity

A

Viscosity is the ability of a liquid to flow.

Ketchup and molasses are viscous, unlike water

20
Q

What is density?

A

The amount of matter or mass per unit of volume

How close the particles are together

21
Q

What is a physical property?

A

A characteristic or description of a substance that can help its identification

22
Q

What is a physical change?

A

A change in the size, shape, state or dissolution of an object without changing its composition

23
Q

How many clues are there that a physical change has occurred?

A

Two

24
Q

True or False? A physical change can usually be reversed. (Physical Change Clue #2)

A

True

25
Q

True or False? The substance remains the same - no new particles or substances. (Physical Change Clue #1)

A

True