1. TitanicTitanic DateDate
Vocabulary lessonVocabulary lesson 55 ##

2. of or for a
machine with
moving parts and
sensing devices
controlled by a
computer
robotic

3. inner surface
or part;
inside
interior

4. shut into a
small space
cramped

5. a soft mud or
slime,
especially at
the bottom of a
pond or river
or on the ocean
bottom
ooze

6. material that
settles to the
bottom of a
liquid
sediment

7. device for finding
the depth of
water or for
detecting and
locating
underwater
objects
sonar

8. Scattered
fragments;
ruins; rubbish
debris