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Science 9 UNIT B Matter and chemical change > Concept one > Flashcards

Concept one Flashcards

1
Q

What does WHMIS stand for?

A

workplace hazardous materials information system

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2
Q

What is Matter?

A

anything that has mass and takes up space

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3
Q

What is Lustre?

A

the amount of shininess in a substance

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4
Q

What is the Melting point?

A

the temperature at which a solid becomes a liquid (0 degrees Celcius)

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5
Q

What is the boiling point?

A

the temperature at which a liquid becomes a gas (100 degrees Celcius)

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6
Q

what is hardness?

A

a substances ability to resist being scratched

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7
Q

what is malleability?

A

a substance that can be pounded or rolled into sheets

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8
Q

what is ductility?

A

Any solid that can be stretched into a long wire

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9
Q

What is crystal shape?

A

the shape of a substances crystals

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10
Q

what is solubility?

A

the ability of a substance to be dissolved into another

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11
Q

what is density?

A

the amount of mass in a given volume of a substance

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12
Q

what is conductivity?

A

the ability of a substance to conduct heat or electricity

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13
Q

What are the three states of matter?

A

solids, liquids, and gases

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14
Q

what is evaporation?

A

when a liquid turns into a gas

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15
Q

what is condensation?

A

when a gas turns into a liquid

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16
Q

what is deposition?

A

when a gas turns into a solid

17
Q

what is sublimation?

A

when a solid turns into a gas

18
Q

what is liquidification?

A

when a solid turns into a liquid

19
Q

what is solidification?

A

when a liquid turns into a gas

20
Q

What is a mechanical mixture?

A

when the different substances that make up the mixture are visible (heterogeneous mixture)

21
Q

what is a solution?

A

when the different substances that make up the mixture are not visible

22
Q

what is a suspension?

A

a cloudy mixture in which tiny particles of one substance are held within another, but can be separated

23
Q

what is a colloid?

A

a cloudy mixture in which tiny particles of one substance cannot be separated

24
Q

what is an element?

A

one substance on its own

25
Q

what is a compound?

A

has two or more substances mixed together

Science 9 UNIT B Matter and chemical change (4 decks)

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