Choose one of the words above and fill in the blanks in the sentences

TED Talk

Look at the picture.

1) What do you think the video you’re going to watch is about?

2) What’s your attitude to these things?

3) When and where can people use them?

4) Have you ever used them? When and where?

Match the words to their definitions

Fireworks	A cord that is used in oil lamps or candles to draw up the fuel to the fire
Gunpowder	To set fire to something
To propel	A device that you set off on a holiday and it’ll produce colored lights, smoke and noise in the sky
Flammable	A trace or a mark left by a moving body
Trail	Highly explosive substance used in bombs, bullets and fireworks
Canister	To cause to move forward or upward
Wick	Capable to burn rapidly
To ignite	A metal or plastic container used for storage

Choose one of the words above and fill in the blanks in the sentences

1) You might have seen old westerns or cartoons where _______________ of gunpowder is lited and it leads to a large and obviously explosive barrel.

2) Long before epic ________________ displays, chemists in China invented the key ingredient that propels those bright lights into the sky.

3) Instead what they created was a _________________ powder that burnt down many of their homes.

4) It was these Mongols, most likely, who spread the invention of _____________ across the world.

5) The ____________ ignites the gunpowder and the energy takes the easiest exit from the canister launching the firework high into the sky.

6) Long before epic fireworks displays, chemists in China invented the key ingredient that ______________ those bright lights into the sky.

7) Firework ______________ provide a single upward facing outlet to channel this explosive energy.

8) Gunpowder easily ________________ and armies used it to make flaming arrows and even a flame thrower.

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