Material & Joining Stuff

Question 1

Name the main 3 materials.

Answer 1

Metal, Wood & Plastic

Question 2

Name the 3 different types of wood

Answer 2

Hard Wood
Soft Wood
Ply Wood

Question 3

Name the 3 types of Metals

Answer 3

Ferrous Metals
Non-Ferrous Metals
Alloy Metals

Question 4

Name the 2 types of plastic

Answer 4

Thermoplastic

Thermosetting Plastic

Question 5

Describe the properties of hardwood and name a few examples

Answer 5

A hard wood is the type of tree that takes a long time to grow so they are more expensive.
A type of hard wood is oak, Beech & Maple
They lose their leaves during the winter
They’re usually large

Question 6

Describe the properties of Soft Wood and name a example

Answer 6

They’re are usually smaller than hard wood trees
They grow faster 
They’re cheaper
They are also called evergreen trees
Pine, fir, Redwood

Question 7

Describe the properties of Ply Wood and name a few examples

Answer 7

It’s man made
It made by glueing layers of wood with the gains crossing at 90°
It’s cheap, easily made, strong and can be veneered
Used a lot in IKEA

Question 8

Describe the properties of thermoplastic and name a few examples

Answer 8

It’s recyclable and you can reheat it and change the shape as much as you want.
It’s very brittle
Types of thermoplastics are PVC, PP, PS & acrylic
It’s used in toys and shop signs

Question 9

Describe the properties of thermosetting plastic and name a few examples

Answer 9

It’s heat resistant & hard wearing
Once you choose it’s shape you can’t change the shape again
It can be used for kitchen table tops
A type of thermosetting plastic is Melamine & Polyester

Question 10

Describe the properties of non-ferrous metals and name a few examples

Answer 10

They’re light, don’t rust & are chemical resistant

An example of non-ferrous metals are aluminium, tin & copper

Question 11

Describe the properties of ferrous metals and name a few examples

Answer 11

They can rust
High strength 
Tough 
High shine
Steel, stainless steel & cast iron
Also Magnetic

Question 12

Describe the properties of non-ferrous alloy metals and name a few examples

Answer 12

Rust resistant 
Easily made
Low melting point 
Made of 2 different types of metals
Brass is a alloy of zinc and copper

Question 13

Name a few joints

Answer 13

Dowel Joint
Lap Joint
Mitre Joint
Butt Joint
Housing Joint

Question 14

What is the weakest joint?

Answer 14

Butt Joint

Question 15

What can you use to hold joints together

Answer 15

Name Material to be joined with Permanent or not

Screws Wood Semi-Permanent
Wood Glue Wood Permanent
Nails Wood Permanent
Liquid Solvent Cement Plastic Permanent
Rivet Metal Permanent

Question 16

What does Semi-permanent mean?

Answer 16

That means you can connect 2 joints & taken apart multiple times

Question 17

What does permanent joints mean?

Answer 17

You can connect joints together but you can’t take them apart again.