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Science - Structures > Questions > Flashcards

Questions Flashcards

0
Q

_________ describes the uses the object has

A

Function

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1
Q

Fill in the blank

________ describes the shape and appearance

A

Form

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2
Q

What is the function of a chair

A

To sit on

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3
Q

What is the function of a pencil

A

To write with

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4
Q

A __________ is anything made of parts that are put together in a specific way for a specific purpose

A

Structure

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5
Q

What are three different types of structures

A

Solid
Frame
Shell

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6
Q

What type of structure is a igloo

A

Shell

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7
Q

What type of structure is a spider web

A

Frame

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8
Q

What type of structure is a hammer

A

Solid

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9
Q

How would you strengthen a styrofoam cup so it wouldn’t collapse when books are placed on it

A

Make the cup into a solid

Eg. Put clay in it

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10
Q

A force is a ______ or _______

A

Push

Pull

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11
Q

Forces are classified as _______ and ________

A

External

Internal

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12
Q

True or false

Magnitude of forces affect structures

A

True

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13
Q

Name four types of internal forces

A

Sheer
Tension
Compression
Torsion

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14
Q

Name six examples of external force

A 
Gravity
Wind
Natural disasters
Water
Push
Pull
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15
Q

What are the factors of a force

A

Magnitude ( size of force)
Direction
Point of application
Plane of application

16
Q

Total load = ________+_________

A

Static load + dynamic load

17
Q

Where is the weakest point of a bridge

Why??

A

The centre because there is less support there

18
Q

__________ is a force that squeezes or presses together

A

Compression

19
Q

_________ is a force that stretches apart or expands length

A

Tension

20
Q

_______ is a force that pushes in the opposite direction

A

Sheer

21
Q

________ is a force that twists

A

Torsion

22
Q

Which shape is the strongest structural wise

A

The triangle

23
Q

Study the 11 definitions of the different structures and supports

A

I was too lazy to type them out

24
Q

What is centre of gravity

A

The point of which the structure’s mass seems to be concentrated

25
Q

Where is mens centre of gravity

A

Chest

26
Q

Where is womens centre of gravity

A

Hips

27
Q

Which structure has the highest centre of gravity the Eiffel tower or a pyramid

A

Eiffel tower

28
Q

Which structure is more stable

The eiffel tower or a pyramid

A

Pyramid

29
Q

What happens when you stand flat against a wall and bend down to touch your toes
Why does this happen??

A

The person falls when they try to touch their toes because their centre of gravity moves past your support base( feet)

Science - Structures (1 decks)

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