PUT ON YOUR THINKING CAP

1. How does an invention start? ...

• with an ad

• with an idea

• with a report

• with a patent

2. The Montgolfier bothers invented the hot air balloon on ...

• 1780

• 1781

• 1782

• 1783

3. Refrigerators keep food ...

• hot

• warm

• cold

• boil

4. If you drop ..., it can be break.

• cloth

• glass

• metal

• wood

5. Shiny forks and knives are made of ...

• metal

• glass

• elastic

• wood

6. What makes a rubber band stretch? ...

• thick

• elastic

• strange

• convenient

7. How are some inventions invented? ...

• by aliens

• by animals

• by transport

• by an accident

8. How does an inventor own an invention? ...

• with a patent

• with a plastic

• with a patient

• with an elastic

9. X: "What is this things used for?"

Y: "It's used to ... things"

The suitable answer for the question is ...

• mix

• mixes

• mixed

• mixing

10. X: "What's it made of?"

Y: "It's made ... metal"

The suitable answer for the question is ...

• by

• of

• to

• for