1) To adapt means to change something to match another purpose or environment. 2) An expedition is a journey or voyage with a scientific purpose. 3) Something that is challenging tests a person's ability.

2. UNIT 4 Lesson 5 

3. a-dapt )a dapt()vt/i-reg .(1 . )ut(change
something to match another purpose or
environmentHe adapted a car engine to
use in his boat.2 . )vi(change oneself to
.match another purpose or environment
ben-e-fit )ben efit()vt-reg .(be an
.advantage or a good thing

4. co-op-e-rate )Co op erate()vi-reg .(work
.together, help each other
ex-plor-er )ex plor er()n (a person who
travels to remote places to find out about
.them
hu-man be-ing )hu man be ing()n (a
person; a man, .woman or child

5. in-di-vid-u-al-ly ) mdi vid ually()adv(
.affecting only one person; seperately
mem-o-ry )me mory( )n (
1 . an ability to remember things
She has a good memory, she never forgets
.things
an example of remembering .2

6. me-m-or-ize )me morize()vt-reg .( .learn
mois-ture )mois ture()n (water in small
.quantities
ra-tion )ra lion( the amount which a person
.gets
ul-tra-vi-o-let ) ultra vi olet()adj ()about
light( consisting of rays that cannot be
.seen by the human eyes

7. WORD STUDY
Adapt rubbish cooperation moisture
voyage ration expedition survival
benefit knock off memory challenging
Human being sub-zero sledge
To _______ means to change something to-1
.match another purpose or environment
-2An ________is a journey or voyage with a
.scientific purpose

8. WORD STUDY
Adapt rubbish cooperation moisture
voyage ration expedition survival
benefit knock off memory challenging
Human being sub-zero sledge
Something which is _______ tests a -3
person‘.s ability
temperatures are temperatures_______ -4
.below 0 Centigrade
.A _______ is an advantage or a good thing-5

9. WORD STUDY
Adapt rubbish cooperation moisture
voyage ration expedition survival
benefit knock off memory challenging
Human being sub-zero sledge
means working together or helping______ -6
.each other
To _______ something is to control the amount-7
which someone receives

10. WORD STUDY
Adapt rubbish cooperation moisture
voyage ration expedition survival
benefit knock off memory challenging
Human being sub-zero sledge
.is water in small amounts in the air_________-8
.is the ability to remember something________ -9

11. Thank you