YEAR 7 D&T - Autumn Term 1.1

What is the difference between a hazard and a risk

A hazard is something that can cause harm; a risk is the chances of that harm happening.

Give two examples of PPE and explain why they are used.

Goggles and eard defenders; they protect eyes and hearing from injury.

Explain the difference between tension and compression

Tension is a pulling force; compression is a pushing force.

Why are triangles commonly used in bridge structures

They are strong shapes that spread forces evenly and do not easily change shape.

What is the difference between a static load anda dynamic load?

A static load is from a still object; a dynamic load is from a moving object.

What is a prototype and why is it important in design

A prototype is an early model used to test and improve a design.

Describe what a design specification is and give one example of a requirement

A list of what a product must meet

What does ACCESS FM stand for (name atleast 4 areas)

Aesthetic, cost, customer, environment, safely, size, function, materials.

Chose two ACCESS FM factors and explain why they are important when designing a bridge.

Safely ensures the bridge does not fail; materials affect strength and durability.