Great inventations

In this crossworld puzzle you have to guess the inventation by the discription. If an invention contains two or more words,you have to write them with space, hypen or apostrophe, according to the dictonary.

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Across

3. This is a game invented by Ernő Rubik

4. It's a device that we can use to keep track on time.

7. It was invited over 5500 years ago. We still use it every day. It's made transportation a lot easier.

9. With this vehicle we can travel across continents really fast.

10. It was invented at the end of World War II. It uses radio waves set at a specific frequency to heat the food.

11. It's a free online encyclopedia. It was created in 2001. Now it has over 6 milion articles on it.

Down

1. It was invented in 1966 by Stephanie Kwolek. It's saved many lives.

2. It was invented in 1795 by Nicholas-Jacques Conte, a scientist serving in the army of Napoleon Bonaparte. We use this object to write with it

5. It's a device witch you can take photos with. It was invented in 1685.

6. With this machine people can keep their food and drinks cold no matter what the weather is like.

8. It was invented by Bell. It's made comunication through long distence possible..

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