Grade 9 Technology Kahoot Revision

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40-question tech revision

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Athena Leigh Karumchund

South Africa

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Grade 9 Technology Kahoot Revision


Grade 9 Technology Kahoot RevisionVersion en ligne 40-question tech revision par Athena Leigh Karumchund 1 What is a design brief? a D. An evaluation b A. A drawing c A statement describing the solution to a problem d C. A model 2 Why do we evaluate a design? a C. To save time b To compare it to design specifications c D. To choose materials d A. To make it look good 3 Which step comes first in the design process? a B. Evaluate b A. Make c D. Communicate d Investigate 4 Design specifications tell us... a C. Who designed it b What the final product must achieve c D. Where it is made d A. How much the model costs 5 Which force stretches a material? a Tension b B. Shear c A. Compression d D. Torsion 6 Which force squashes a structure? a B. Tension b C. Torsion c D. Shear d Compression 7 What force twists a structure? a C. Tension b B. Shear c Torsion d A. Compression 8 Cross bracing helps a structure to... a Twist less and become stronger b C. Move faster c A. Bend d D. Float 9 A load that does not move is called a... a D. Moving load b Static load c C. Live load d A. Dynamic load 10 Which bridge is supported at only one end? a Cantilever bridge b B. Suspension bridge c D. Beam bridge d A. Arch bridge 11 Why are bridges built? a To allow safe crossing over obstacles b C. To store water c D. To support buildings d A. To stop floods 12 Which bridge uses cables as its main support? a Suspension bridge b D. Cantilever bridge c B. Beam bridge d A. Arch bridge 13 Which material is commonly used for modern bridges? a A. Plastic b Concrete c D. Glass d C. Cardboard 14 What is a possible environmental impact of a bridge? a C. More rainfall b Disturbance of natural ecosystems c A. Improved habitats d D. Stronger rivers 15 Which gear provides the input motion? a Driver gear b A. Driven gear c D. Spur gear d C. Idler gear 16 Which gear receives motion from the driver gear? a D. Worm gear b B. Idler gear c Driven gear d C. Rack gear 17 What is the function of an idler gear? a A. Increase speed b D. Reduce friction c Change direction of rotation d C. Stop movement 18 If two gears mesh directly, they rotate... a D. Randomly b A. In the same direction c In opposite directions d C. At the same speed always 19 A bicycle commonly uses a... a Chain and sprocket system b C. Pulley c A. Rack and pinion d D. Hydraulic system 20 Which mechanism allows movement in one direction only? a D. Cam b Ratchet and pawl c C. Gear train d A. Pulley 21 Hydraulic systems use... a A. Gases b D. Springs c C. Electricity d Liquids 22 Pascal's Principle states that pressure is transferred... a D. Upward only b Equally throughout the fluid c C. Downward only d A. To one side only 23 Which system is found in many car brakes? a C. Pulley system b A. Gear system c D. Lever system d Hydraulic system 24 A one-way valve allows fluid to... a Flow in one direction only b C. Stop flowing c D. Evaporate d A. Flow in both directions 25 Which property describes resistance to scratching? a D. Conductivity b Hardness c C. Ductility d A. Strength 26 Which property describes resistance to bending? a Stiffness b D. Ductility c C. Conductivity d B. Hardness 27 Which property allows a material to be stretched into wire? a D. Hardness b A. Malleability c Ductility d C. Brittleness 28 Which property allows a material to be hammered into shape? a D. Strength b Malleability c B. Conductivity d C. Hardness 29 A brittle material will... a A. Bend easily b Break easily c D. Conduct electricity d B. Stretch easily 30 Galvanising protects metal from... a A. Heat b D. Bending c Corrosion d C. Weight 31 What is a cam used for? a C. Producing electricity b D. Measuring force c B. Storing energy d Converting rotary motion into reciprocating motion 32 What is a cleat used for? a D. Stopping wheels b Holding ropes securely c C. Turning gears d B. Lifting loads 33 A pulley helps to... a C. Create electricity b A. Increase friction c D. Store water d Change direction of force 34 A block and tackle system uses... a A. Gears b B. Levers c D. Springs d Multiple pulleys 35 Why should gloves be worn when handling sharp materials? a B. To improve grip b D. To work faster c A. To keep hands warm d To prevent injury 36 Why should tools be cleaned after use? a C. To change their colour b To improve safety and lifespan c A. To make them heavier d D. To sharpen them 37 An OR gate will produce an output when... a A. Both switches are OFF b At least one switch is ON c C. All switches are OFF d D. No power is supplied 38 An AND gate will produce an output when... a C. One switch is OFF b Both switches are ON c D. No switches are connected d A. One switch is ON 39 Which of the following is an example of a dynamic load? a A. A parked car b B. A building c D. A pillar d A moving truck on a bridge 40 What should be added to a wheelchair ramp to improve safety? a A. More paint b D. Larger bolts c Handrails d C. Extra wheels

Grade 9 Technology Kahoot Revision

Test

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Grade 9 Technology Kahoot RevisionVersion en ligne

par Athena Leigh Karumchund

What is a design brief?

Why do we evaluate a design?

Which step comes first in the design process?

Design specifications tell us...

Which force stretches a material?

Which force squashes a structure?

What force twists a structure?

Cross bracing helps a structure to...

A load that does not move is called a...

Which bridge is supported at only one end?

Why are bridges built?

Which bridge uses cables as its main support?

Which material is commonly used for modern bridges?

What is a possible environmental impact of a bridge?

Which gear provides the input motion?

Which gear receives motion from the driver gear?

What is the function of an idler gear?

If two gears mesh directly, they rotate...

A bicycle commonly uses a...

Which mechanism allows movement in one direction only?

Hydraulic systems use...

Pascal's Principle states that pressure is transferred...

Which system is found in many car brakes?

A one-way valve allows fluid to...

Which property describes resistance to scratching?

Which property describes resistance to bending?

Which property allows a material to be stretched into wire?

Which property allows a material to be hammered into shape?

A brittle material will...

Galvanising protects metal from...

What is a cam used for?

What is a cleat used for?

A pulley helps to...

A block and tackle system uses...

Why should gloves be worn when handling sharp materials?

Why should tools be cleaned after use?

An OR gate will produce an output when...

An AND gate will produce an output when...

Which of the following is an example of a dynamic load?

What should be added to a wheelchair ramp to improve safety?