Match these keywords from the text with the definitions below.
a blast a tug an asteroid a catastrophe total extinction
to release dust crops gravity a tractor
1. ____________ – A terrible disaster.
2. ____________ – An explosion.
3. ____________ – A mass of rock in space, like a very small planet.
4. ____________ – A small, powerful boat used for pulling larger boats.
5. ____________ – Very small pieces of dirt, like powder.
6. ____________ – The force that makes things fall down to the earth.
7. ____________ – When everything dies.
8. ____________ – Usually, a vehicle used on
a farm to pull other machines; here, a space vehicle with the
power to pull another object towards it.
9. ____________ – To allow something to escape.
10. ____________ – Plants grown for food,
like rice, potatoes, tomatoes, etc.
Big blasts or tiny tugs
Level 1
Elementary
Pre-reading 1: Key words
1
Pre-reading 2: Prediction
1
Look at the main headline, the sub-heading and the key words.
1. Do you think the Earth is in danger now?
2. Do you think the scientists already have a solution?
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