The Great Inventions

This crossword is for the 11th form. Your hometask is to solve this crossword! Good luck!

Crossword

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

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Across: 1. A piece of electrical equipment that cleans floors by sucking up dirt 4. A piece of electrical equipment with a screen used for watching programmes. 5. A drug that cures illnesses and infections caused by bacteria. 6. A glass object that you put in an electric light to produce light. 8. A machine, tool, or system that someone has made, designed, or thought of for the first time. 9. A small flat computer that is easy to carry. 11. It is used for receiving or sending radio and television signals.

Down: 2. A form of energy that can produce light, heat, and power for machines, computers, televisions, etc. 3. A weapon made to explode at a particular time or when it hits something. 7. A system of broadcasting information and programmes that people can listen to. 8. A computer system that allows people in different parts of the world to exchange information. 10. A vehicle with two wheels that you ride by pushing pedals with your feet.