Gr 3: Strong & Stable Structures Review

Gr 3: Strong & Stable Structures Review

Multiple Choice

What is a structure?

• a supporting framework that looks nice and has a purpose.

• a supporting framework that has a shape, size and purpose.

• a supporting framework that is tall and provides shelter.

• a supporting framework that is man made.

Multiple Choice

This is a structure.

• True

• False

Multiple Choice

A structure must be built to ...

• provide shelter

• be beautiful

• resist forces

• decompose

Open Ended

List three natural structures.

Open Ended

List three man made structures.

Multiple Choice

Materials are ...

• the shape of a thing.

• things needed for doing or making something.

• something built that supports or carries a load.

• the purpose for which an object exists.

Multiple Choice

Structures are ...

• the shape of a thing.

• things needed for doing or making something.

• something built that supports or carries a load.

• the purpose for which an object exists.

Multiple Choice

Function is ...

• the shape of a thing.

• things needed for doing or making something.

• something built that supports or carries a load.

• the purpose for which an object exists.

Multiple Choice

Form is ...

• the shape of a thing.

• things needed for doing or making something.

• something built that supports or carries a load.

• the purpose for which an object exists.

Multiple Choice

This structure is ...

• man made

• natural

Multiple Choice

This structure is ...

• man made

• natural

Multiple Choice

This structure is ...

• man made

• natural

Multiple Choice

This structure is ...

• man made

• natural

Multiple Choice

__________ sometimes cause structures to change

• Struts

• Forces

• Structures

• Ties

Multiple Choice

What is stability?

• The ability to absorb wind and reflect rain.

• The ability to stand tall.

• The ability to maintain balance and position.

• The ability to hold a load.

Open Ended

In class we did an experiment with cardboard tubes of different heights. What did we learn about stability by doing this experiment?

Multiple Choice

What is strength?

• The ability to absorb wind and reflect rain.

• The ability to hold a load.

• The ability to stand tall.

• The ability to maintain balance and position.

Open Ended

We did an experiment to make paper stronger. What can we do to paper to make it stronger?

Open Ended

We did an experiment to make thread stronger. What can we do to thread to make it stronger?

Multiple Choice

What part of a structure needs to bear the most weight?

• the top

• the base (bottom)

• the middle

• the sides

Multiple Choice

What is the purpose of struts and ties?

• To build more detail on the building.

• To act as a pulley system.

• To add shelter to a building.

• To spread out the weight of a load to make the structure stronger and more stable.

Multiple Choice

What is the load in this picture?

• the chair

• the person

Multiple Choice

What is the load in this picture?

• the ladder

• the scratching post

• the cats

Multiple Choice

What is the strongest shape?

• Square

• Circle

• Triangle

• Cube

Multiple Choice

Truss bridges use this shape to strengthen the structure.

• Ovals

• Triangle

• Trapezoid

• Rectangle

Multiple Select

We can improve the strength and stability of structures by adding these ...

• struts

• forces

• structures

• ties

Multiple Choice

What is compression?

• when a load carries a structure

• when a load lifts a structure

• adding more material to a structure

• when a load presses on a structure

Multiple Choice

What is tension?

• when a load pulls on a structure

• when a load is too light for a structure

• when a load pushes on a structure

• when a load bounces on a structcure

Multiple Choice

You see a crane carrying a load of supplies at a construction site. The rope holding the supplies to the crane is experiencing ...

• Compression

• Tension

• Buckle

• Torsion

Multiple Choice

You and your classmates are involved in a game of tug-of-war with a long rope. The rope is experiencing ..

• Compression

• Tension

• Buckle

• Torsion

Multiple Choice

You sit on a chair. The chair is experiencing ...

• Tension

• Gravity

• Compression

• Friction

Multiple Choice

Compression is an example of a pulling force.

• True

• False

Multiple Choice

Tension is an example of a pushing force.

• True

• False

Multiple Choice

Squashing is another term for compression.

• True

• False

Multiple Choice

Stretching is another term for tension.

• True

• False

Multiple Choice

Which shape is stronger?

• Shape 1

• Shape 2

Multiple Choice

A material that lasts a long time is ...

• flexible

• durable

• strong

Multiple Choice

A material that can bend without damage and return to its original shape is ...

• flexible

• durable

• strong

Multiple Choice

A material that withstands a force being applied to it without bending or breaking is ...

• flexible

• durable

• strong

Open Ended

What properties of a material need to considered when building a shoe?

Open Ended

What properties of a material need to considered when building chair?