Year 7 Baseline Test - Sept 2025

What are the two main types of metal?

• Ferrous and Non Ferrous

• Hard and Soft

• Thermo and Thermoforming

Answer explanation

The two types of metal are Ferrous and Non Ferrous. Ferrous metals contain iron, while non-ferrous metals do not. This classification is essential for understanding their properties and uses.

Which of the following is a property of metals?

• They are usually brittle

• They float on water

• The conduct electricity

• They are always transparent

Answer explanation

Metals are known for their ability to conduct electricity due to the presence of free-moving electrons. This property distinguishes them from non-metals, which are usually insulators.

What is the first stage in the design process?

• Testing

• Evaluating

• Manufacturing

• Researching the problem

Answer explanation

The first stage of the design process is 'Researching the problem.' This step involves identifying and understanding the issue that needs to be addressed, laying the groundwork for effective design solutions.

Which of these is NOT true about wood?

• It can be carved

• It is a good insulator

• It rusts when wet

Answer explanation

Wood does not rust when wet; rusting is a property of metals, particularly iron. Wood can be carved and is a good insulator, making 'It rusts when wet' the correct choice as it is not a property of wood.

Which of these materials will stick to a magnet?

• Copper

• Iron

• Aluminium

• Plastic

Answer explanation

Iron is a ferromagnetic material, meaning it can be magnetized and attracted to magnets. In contrast, copper, aluminium, and plastic are not magnetic.

What is the main advantage of using 3D printing for making models with complex shapes?

• It is always the cheapest method

• It only uses metal materials

• It does not require electricity

• It allows rapid prototyping of complex shapes

Answer explanation

The main advantage of 3D printing is that it allows rapid prototyping of complex shapes, enabling designers to create intricate models quickly and efficiently, which is not easily achievable with traditional methods.

Which of these is a softwood?

• Oak

• Beech

• Mahogany

• Pine

Answer explanation

Pine is classified as a softwood, while oak, beech, and mahogany are hardwoods. Softwoods come from coniferous trees, which typically have needles and cones, like pine.

Which of these is a renewable material?

• Wood

• Glass

• Plastic

• Steel

Answer explanation

Wood is a renewable material because it can be replenished through sustainable forestry practices. In contrast, glass, plastic, and steel are non-renewable materials as they require extensive resources and energy to produce.

Why is recycling important for sustainability?

• It makes products heavier

• It reduces waste and saves resources

• It increases pollution

• It makes materials more expensive

Answer explanation

Recycling materials is crucial for sustainability as it reduces waste and saves resources. By reusing materials, we minimize the need for new raw materials, which helps conserve the environment and reduces landfill overflow.

Which property should a material have to be used for electrical wires?

• Conductivity

• Transparency

• Absorbency

Answer explanation

Conductivity is the most important property for electrical wires, as it determines how well the material can carry electric current. High conductivity ensures efficient energy transfer, making it essential for wire materials.