Answers
1. Blue represents dense materi-
als, such as metal, hard
(dense) plastics, and dif-
ferent parts of weaponry.
2. Green represents less dense ma-
terials such as plastics and
alloys (less dense metals).
3. Orange epresents the least dense
material, which is mostly
biological/organic materi-
al.
4. Blue/Green an object with a mixture of
metal and plastic or wood
5. A growing body of research suggests that the regular, Not possible to say if the
high-level use of more than one language may ac- statement is true or false
tually improve early brain development. According to on the basis of the pas-
several different studies, a command of two or more sage.
languages aggrandizes the ability to focus in the face
of distraction, decide between competing alternatives,
and disregard irrelevant information. These essential
skills are grouped together, known in brain terms as
'executive function' and research suggests they de-
velop ahead of time in bilingual children. While no
one has yet identified the exact mechanism by which
bilingualism boosts brain development, the advantage
likely stems from the bilingual's need to continually
select the right language for a given situation.
, 6.
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