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UNIT 12: LIFE ON OTHER PLANETS
A. PHONETICS
I. Add ful or less to these words to make an adjective (some words can use
either suffix). Then mark the stressed syllables.
1. sound
_____________
11. wonder
_____________
2. harm
_____________
12. weight
_____________
3. hope
_____________
13. speech
_____________
4. thought
_____________
14. power
_____________
5. help
_____________
15. breath
_____________
6. colour
_____________
16. peace
_____________
7. water
_____________
17. home
_____________
8. forget
_____________
18. beauty
_____________
9. care
_____________
19. success
_____________
10. delight
_____________
20. emotion
_____________
II. Complete the sentences with the words in the box. Then read the sentences aloud.
useless
tearles
s
thoughtful
truthful
flightless
wonderful
meaningful
homeless
purposeful
careless
The data isn’t very___________ to anyone but a scientist.
Daisy is absolutely___________! She isn’t afraid of anyone or anything.
Looking at the Earth from outer space is___________, especially at night.
One of the___________ birds we studied is the ostrich.
My score was low because I made some___________ mistakes.
What a lovely present! That was very___________ of you.
Mom and Dad taught us that it is important to be .
They are going to build temporary accommodation for the___________.
You must remember to recharge your phone. Without its battery, it’s___________.
He desired to lead a more___________ life.
B. VOCABULARY AND GRAMMAR
I. Match the planets with their descriptions.
1. Mercury
a. It is nicknamed “The Red Planet” because of the rust on its surface.
2. Venus
b. It is often called “The Water
3. Earth
c. It has a rocky surface. It is the smallest in our solar System and the
closest to the sun.
4. Mars
d. It is the largest planet in our solar System and the fifth planet from
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UNIT 12: LIFE ON OTHER PLANETS
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