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Science Form 1 > Physical Change > Flashcards

Physical Change Flashcards

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1
Q

Name the three states of matter

A

Solid liquid and gas

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2
Q

Name the process in which a solid changes to a liquid

A

Melting

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3
Q

Name the process in which a liquid changes to a solid

A

Freezing

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4
Q

Name the process in which a solid changes to a gas

A

Subliming

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5
Q

Name the process in which a gas changes to a liquid.

A

Condensing

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6
Q

Name the process in which a liquid changes to a gas

A

Evaporating

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7
Q

What is physical change

A

Physical change is when a substance changes from a solid, a liquid, or a gas

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8
Q

What is endothermic process

A

Changes that require heat energy

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9
Q

What is an exotheemic process

A

Changes that liberate heat energy

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10
Q

How do you plot a cooling curve

A 
Work in pencil
Rule a vertical and horizontal axis
Devise a scale that covers all your values and makes sense
Mark in your scale
Label both axis
Plot your data
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11
Q

What is a solute

A

A substance that dissolves

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12
Q

What is a solvent

A

A substance that the solute is dissolved in

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13
Q

What is a solution

A

The solute and the solvent mixed together

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14
Q

What is meant by dissolving

A

When the particulate in a solid go between the particulate in a liquid

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15
Q

What is meant by filtration

A

When a solution is filtered to get rid of the residue

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16
Q

What is meant by evaporation

A

When a liquid changes to a gas

17
Q

What is meant by residue

A

The leftovers from filtration

The part of the solute that did not dissolve

18
Q

What is meant by soluble

A

It can dissolve

19
Q

What is meant by insoluble

A

It does not dissolve

20
Q

What is chromatography

A

It is a process used to separate the inks in dyes

21
Q

What solids are soluable

A 
Sugar 
Salt
Washing soda
Copper sulphate
Potassium chloride
22
Q

What are some insoluble solids

A

Sand

Calcium carbonate

Science Form 1 (6 decks)

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