2. Complete the fact file. Use the comparative form of the words in brackets.
2. Complete the fact file. Use the comparative form of the words in brackets.
FACT FILE: COMETS AND ASTEROIDS
● Comets are made of ice and pieces of rock. Asteroids are made of rock and metal, and are (1)__________________ (heavy).
● Most comets are much (2)__________________ (big) than most asteroids.
● You can find asteroids (3)__________________ (close) to the sun than comets. If comets get too close to the sun, they melt. So you can only find comets much (4)__________________ (far) from the sun, where it is (5)__________________ (cold) and ice doesn’t melt.
● Comets are (6)__________________ (bright) than asteroids because they have long, white tails.
● Comets are (7)__________________ (rare) than asteroids. There are hundreds of millions of asteroids in our solar system, but far (8)__________________ (few) comets – only about 4,000. For this reason, asteroids are (9)__________________ (dangerous), as one of them is (10)__________________ (likely) to hit the Earth.
| 1. heavier | 2. bigger | 3. closer | 4. further | 5. colder | 6. brighter | 7. rarer | 8. fewer | 9. more dangerous | 10. more likely |
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