Metals
Plastics
Wood
Ceramics
100

The majority of metals are hard but some can be sliced with a cutting tool.

What is hardness

100

Aversion to decay and chemicals.

What is durability

100

Alters between hardwoods and softwoods.

 What is density

100

They may hold out against very high temperatures.

What is high melting points 

200

The majority of metals are heavy for their size.

What is High Density

200

Generally lightweight

What is Low Density

200

Wood has a grain pattern that can affect strength and appearance.

What is Grain

200

Ceramics are typically hard.

What is Hardness

300

What do you call metals that may be shaped or rolled into narrow sheets?

What is malleability 

300

What do you call something you can return to their original form after being stretched or compressed?

What is elasticity

300

What is a bad conductor of heat?

What is thermal insulation

300

What is it called when ceramics are very brittle?

What is brittleness

400

What is it when most metals have a shiny appearance and can reflect light?

What is Luster

400

What is usually poor conductors of electricity and heat?

What is Poor conductors

400

What is it when presence of minute gaps or spaces, makes wood good for acoustics?

What is Porosity

400

What is it when ceramics like porcelain are used as electrical insulators because they resist electrical conductivity?

What is Electrical Insulators

500

What is it called when metals can be drawn out into wires?

What is ductility

500

What is it called when something can be molded into a huge lineup of shapes and sizes?

What is versatility

500

What is it called when wood's strength and properties vary in different directions?

What is anisotropic

500

What is it called almost all ceramics don't conduct heat well?

What is thermal insulators