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year 7 exams > Tech > Flashcards

Tech Flashcards

1
Q

What is a mass structure?

A

A large body of matter with a definite shape

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2
Q

What is a shell structure?

A

A thin,curved plate

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3
Q

What is a frame structure?

A

A structure that is made stable by a skeleton that is able to stand by itself

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4
Q

What is tension?

A

Something being pulled

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5
Q

What is compression?

A

Something being squashed

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6
Q

What is shear?

A

Something being cut

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7
Q

What is bending?

A

Something being forced into another shape

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8
Q

What is torsion?

A

Something being twisted

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9
Q

What is strength?

A

The ability to withstand wear, indentation and abrasion

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10
Q

What is hardness?

A

The ability to withstand shock and sudden load without damage

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11
Q

What is ductility?

A

The ability to be deformed without tearing or cracking

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12
Q

What is malleability?

A

The ability to be drawn and stretched into thinner sections or strands without snapping

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13
Q

What is elasticity?

A

The ability to return to it’s original shape after being compressed or stretched

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14
Q

What is toughness?

A

The ability to withstand force such as pressure, tension or shear etc

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15
Q

What is fusibility?

A

The ability of a material to be converted through heat into a liquid state and combine with another material before cooling as one

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16
Q

What is density?

A

The mass of material per unit volume; how compact a material is

17
Q

What is electrical conductivity?

A

The ability to conduct electricity

18
Q

What is thermal conductivity?

A

The ability of a material to conduct heat

19
Q

What is absorbency?

A

The tendency to attract or take on a element, usually a liquid such as water or moisture, but could you include light and heat

20
Q

What is a cantilever?

A

A beam supported at one end only

21
Q

What’s the difference between deciduous and evergreen?

A

Deciduous is hard wood, evergreen is soft

year 7 exams (4 decks)

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