D.T L5 Michaelmas Term Test 1 Revision

What are hardwoods derived from?

Hardwoods come from deciduous trees.

What do deciduous trees do in winter?

They lose their leaves.

What type of leaves do hardwoods typically have?

Broad and flat leaves.

How does losing leaves affect hardwood growth?

It creates slow growing and dense material.

What is grain in wood?

Grain refers to the lines seen in a piece of wood, indicating how the wood fibers have grown.

Why does close grain structure make wood denser?

The grain being closer together makes the wood denser.

Name four examples of hardwoods.

Oak, Ash, Beech, Mahogany.

What type of trees do softwoods come from?

Softwoods come from coniferous trees.

What type of leaves do coniferous trees have?

They typically have fine thin needles.

How does growth affect the material characteristics of softwoods?

They create a fast growing material.

What is plywood?

Plywood is a material made from thin layers of wood veneer.

What is an advantage of plywood?

Large sheets, strong, attractive surface finish.

What is a disadvantage of plywood?

Cannot be carved, weak bonding.

What is chipboard?

A material made from wood chips bonded together.

What is an advantage of chipboard?

Good compressive strength.

What is a disadvantage of chipboard?

Likely to crack and fall apart over time.

What is medium density fibreboard (MDF)?

A material made from wood fibers compressed and glued together.

What are the advantages of MDF?

Large sheets, smooth surface finish.

What is a disadvantage of MDF?

Soaks up water or moisture like a sponge.

What is pine known for?

Straight grain, uniform texture, and being workable.

What is a disadvantage of cedar?

Deterioration concerns.

What are the advantages of larch?

Denser, harder, and more durable than pine.

What is mahogany known for?

Hardwearing and attractive.

What is a disadvantage of balsa wood?

Not a very durable wood, susceptible to insect attacks.

What are beech's advantages?

Durable, hygienic, and has a small grain.

What is a disadvantage of oak?

Vulnerability to moisture and humidity.

What is birch recognized for?

Straight wood grain and attractive pattern.

What are the advantages of ash?

Springy and strong in compression.

What is jelutong wood best known for?

Uniform appearance, softness, and the ability to carve.