WorksheetsGrade 8 Technology Test (TVM)
Total questions: 30
Worksheet time: 25mins
What type of structure is a bridge?
Shell structure
Frame structure
Solid structure
Hybrid structure
Which shape is the strongest for building structures?
Square
Circle
Triangle
Rectangle
Which force causes structures to be pulled apart?
Torsion
Tension
Compression
Shear
A pulley system is used to:
Increase friction
Lift heavy loads
Reduce stability
Decrease speed
In a lever system, what is the pivot point called?
Load
Effort
Fulcrum
Gear
Gears are used in machines to:
Store energy
Increase friction
Transfer motion
Reduce pressure
What is the main purpose of a strut in a structure?
Resist tension
Absorb sound
Resist compression
Increase weight
Which material is commonly used in constructing strong frame structures?
Glass
Plastic
Steel
Rubber
The mechanical advantage of a lever depends on:
The length of the effort and load arms
The speed of movement
The weight of the structure
The material used
Suspension bridges use which main structural element?
Beams
Arches
Cables
Columns
What is a 'structure'?
An object made of multiple connected parts
A single solid block of material
A natural rock formation
A pile of loose materials
What is the function of a gusset plate in a frame structure?
To strengthen joints
To reduce weight
To add decoration
To make it more flexible
Why is triangulation important in structures?
It helps improve appearance
It makes structures weaker
It improves stability and strength
It increases weight
Calculate the mechanical advantage of a lever with an effort arm of 60 cm and a load arm of 20 cm.
2
3
4
5
How do gears in a bicycle help in motion?
They increase weight
They transfer and control movement
They store energy
They slow the rider down
What is a real-world example of a pulley system?
A car engine
A flagpole
A steel bridge
A wooden table
Which type of bridge is commonly used for short spans?
Beam bridge
Suspension bridge
Arch bridge
Truss bridge
Which of the following is NOT a way structures can fail?
Buckling
Fatigue
Strengthening
Shearing
What type of mechanical system uses gears?
Electrical circuit
Hydraulic system
Gear train
Pulley system
A roof truss is an example of which type of structure?
Solid structure
Frame structure
Shell structure
Hybrid structure
Indicate whether the statement is true or false:
A frame structure is made of many connected parts. (a)
Indicate whether the statement is true or false:
Ties are used to resist compression forces (a)
Indicate whether the statement is true or false:
The function of an arch bridge is to transfer weight evenly. (a)
Indicate whether the statement is true or false:
A simple machine reduces the amount of effort needed to do work. (a)
Indicate whether the statement is true or false:
A wheelbarrow is an example of a third-class lever. (a)
Indicate whether the statement is true or false:
Bending is a type of force that structures must withstand
(a)
Indicate whether the statement is true or false:
Shell structures are always made of metal. ( (a)
Indicate whether the statement is true or false:
Triangulation is a method used to strengthen structures. (a)
Indicate if the statement is true or false:
Gears that are the same size rotate at different speeds. (a)
Indicate if the statement is true or false:
A roof truss is an example of a frame structure. (a)
