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A chisel is used to clear away material neatly and make slots and grooves in wood.

Resistant Materials 02

Modern products should work well and waste less. Discover how sustainable material choices and smart design decisions can cut waste, improve durability, and make products easier to repair.

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Fascinating Fact:

Sustainability in resistant materials can involve using certified timber, recycled metals, or recycled plastics. Designing for repair and disassembly can also reduce waste.

In KS3 D and T, pupils learn that choosing resistant materials is not only about strength and finish, but also about impact on the environment. Designers compare sourcing, manufacturing, lifespan, and end-of-life options to make more responsible decisions.

Key Terms

Sustainability: Designing and making products in ways that reduce harm to the environment, such as using fewer resources and creating less waste.
Life cycle: The stages of a product from raw materials and manufacture to use, disposal, recycling, or reuse.
Design for repair: Making products easier to fix by using replaceable parts and accessible fastenings, so they last longer instead of being thrown away.

Frequently Asked Questions (Click to see answers)

What does sustainability mean in KS3 resistant materials?

Sustainability in KS3 resistant materials means choosing and using materials in ways that reduce environmental impact. This can include recycled content, renewable sources, and designs that last longer and create less waste.

How can a designer reduce waste when making a product?

A designer can reduce waste by planning accurate cutting layouts, using standard sizes, minimising offcuts, and selecting materials that can be recycled. Designing for repair and upgrades also prevents early disposal.

Why is life cycle thinking important in Design and Technology?

Life cycle thinking helps designers consider the full impact of a product, not just how it looks. It includes energy used in manufacturing, how long the product will last, and what happens when it reaches the end of its use.

Try These Related Quizzes

1 .

Which kind of saw would you use for cutting wood straight?

Coping saw

Fretsaw

Hacksaw

Tenon saw

There is a reinforcing band along the top of a tenon saw that keeps the blade from bending, enabling a more accurate straight line cut than with other types of saw

2 .

Which kind of saw would you use for cutting metal and plastic straight?

Coping saw

Fretsaw

Hacksaw

Tenon saw

Hacksaw blades are thin and need to be held tightly in place in the frame of the saw

3 .

Which kind of saw would you use for cutting curves in wood?

Coping saw

Fretsaw

Hacksaw

Tenon saw

A small machine fretsaw will also cut curves in thin wood and metal

4 .

Thin sheet metal can be difficult to cut with a saw. What else can be used?

Chisel

File

Scissors

Tinsnips

These have sharp, toughened cutting jaws with longer arms than a pair of scissors. They are best for cutting small pieces of metal off a larger sheet

5 .

What is best used to clear away material neatly and make slots and grooves?

Chisel

File

Plane

Sander

Remember to use a wooden mallet to tap the chisel

6 .

Which of the following would you use a flat file for?

Detail

Inside curves

Outside curves

Sudden line changes

Files for detailed work are called needle files

7 .

Most trimming is done by ....... with a file.

cross-filing

full-filing

long-filing

straight-filing

The file is moved always in the same direction

8 .

Which method of filing would you use to obtain a good finish?

accurate-filing

box-filing

draw-filing

smooth-filing

The file is moved backwards and forwards

9 .

What would you use a half-round file for?

Detail

Inside curves

Outside curves

Sudden line changes

A flatfile has sharp edges that would easily catch on the work piece

10 .

Small pieces of wood and plastics can be trimmed on what kind of machine?

Machine drill

Photocopier machine

Sanding machine

Scraping machine

A machine drill is used for making holes

Author: Frank Evans (Specialist 11 Plus Teacher and Tutor)

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