and
Netherlands. It was called a ( 6).
and learn about germs* that cause diseases.
|5 Recently we have discovered ways to recycle glass. When old glass is melted down. it
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can be made into new bottles or into building materials, like bricks*. Glass wool* made from
old glass is used in walls to prevent heat from getting inside or outside the building. Old glass
is also used to cover roads.2 Glass mixed with asphalt* is said to make roads very strong.
6 Glass is one of the most useful materials in human history. In the future, more and more
wonderful uses for this interesting material will most certainly be found.
(368 words)
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(注) ash:名灰
Galileo:名 (Galileo Galilei) ガリレオ·ガリレイ(1564-1642)。天文学の父と言われる。
Saturn:名土星
moon:名(惑星の)衛星
Jupiter:名木星
glass wool:名グラスウール(ガラス綿)
germ
:名細菌,病原菌
brick:名れんが
asphalt:名アスファルト