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3. Wood and its derivatives
51.
Look closely at the following model aeroplane
made of balsawood. What is themain characteristic
of balsa wood?
Answer these questions:
a)
How many pieces are there in the model?
b)
Which equipment and tools do you need to make it?
c)
Do you think adhesive was used? Why?
d)
Design different models.
FINISHING THE FINAL TASK
To complete the task for this unit, once you’ve built the
puzzle, you should:
1.
Present your finished puzzle.
2.
Hand in a report of the technological process, showing
what you have learned in this unit. In your report, you
should include:
❚❚
The design you used and the planning of the work,
highlighting the different tasks you carried out, the
materials you used and the time you spent on making it
(number of hours).
❚❚
Instructions for use.
❚❚
Problems you encountered and the solutions you came up
with.
❚❚
The things you learned during the process.
❚❚
Your level of satisfaction at the end of the project.
3.
Make an oral presentation to the class of the finished
work, highlighting the parts you included in the report.
Building a puzzle and its box
STUDY TECHNIQUES
❚❚
Write a summary using the key concept boxes in the unit.
Include everything you think is important.
❚❚
Draw a mind map of the concepts in the unit.
Use the following structure to get started:
❚❚
Make a technical dictionary with the terms that you think are the most important. Include: cellulose, lignin, cambium,
bark, heartwood, hardwood, engineered wood, … and add any others you think necessary.
divided into
to make an object we follow
different
Wood
classified into
which require the use of
ADVANCE EDITION
