cardboard

Everyday

1. Cardboard is thick, stiff paper used to make boxes, packaging and models. tree →
2. A cardboard character (in a story) is one who seems flat and not real. tree →

In the lessons

In design and technology and art lessons, children make models from cardboard boxes and tubes. In science, cardboard is a material made from wood pulp; it is light and can be recycled, but it is weak when wet. In eco lessons, cardboard goes in the recycling. Phrases: «cardboard box», «cardboard tube», «corrugated cardboard», «cardboard cut-out».

Examples

• We made a castle from cardboard boxes. tree →
• Put the cardboard in the recycling bin. tree →
• Cardboard goes soggy in the rain. tree →
• The toy came in a cardboard box. tree →
• Cut out a cardboard circle for the wheel. tree →
• Corrugated cardboard has wavy layers inside. tree →
• We used cardboard tubes for the telescopes. tree →
• The villain in the story was a cardboard character. tree →
• Generals in full uniform leading regiments of cardboard soldiers passed by. tree →

Note

Uncountable: «a piece of cardboard» or «a cardboard box», not «a cardboard» for the material. One word. In science, cardboard is opaque and does not conduct electricity.