Raw materials become processed materials
A raw material comes straight from nature. People change raw materials — by cleaning, heating, spinning, melting or mixing — into processed materials that are more useful.
From nature to the classroom
Q1. Complete the table by matching each raw material to what it is processed into.
| Raw material | Processed material |
|---|---|
| Wool | |
| Sand | |
| Oil | |
| Ore (rock) | |
| Tree |
Q2. Is each one a raw material or a processed material? Write R or P.
| Material | R or P |
|---|---|
| Cotton wool ball | |
| A glass window | |
| Sheep’s wool | |
| A plastic ruler | |
| Sand at the beach | |
| A metal spoon |
Q3. Draw a flowchart showing how wool from a sheep becomes a woolly jumper. Use at least three steps with arrows between them.
Q4. Recycling turns used materials into new ones instead of throwing them away. Explain why recycling glass or metal is good for the environment. Use the words raw material.