Coal and petroleum bingo

Exercise and reference answers

Clues and terms

1. Clue

   Sunlight and air.

   Item

   Inexhaustible

2. Clue

   Dead plants slowly become coal.

   Item

   Carbonisation

3. Clue

   Almost pure carbon for steel.

   Item

   Coke

4. Clue

   Black liquid of 200 substances.

   Item

   Coal tar

5. Clue

   Road surfacing from petroleum.

   Item

   Bitumen

6. Clue

   Rock oil, the word's roots.

   Item

   Petra oleum

7. Clue

   Petroleum's nickname.

   Item

   Black gold

8. Clue

   Compressed cleaner fuel.

   Item

   CNG

9. Clue

   Fuel-saving advice body.

   Item

   PCRA

Instructions

Read each clue and tap the term it describes.

Explanation