Page 170 - Green Butterfly Book 2

Date:
Vocabulary. Use a vocabulary word to finish the sentences.
The room they are working in is called a
They use many types of beakers, measuring cups, etc.
.
or tools such as glass
, a branch of physical science, it is the study of the composition, properties, and behavior of matter.
An creates something new that did not exist
before. A
nobody had found it.
These chemists are trying to make a great
finds something that did exist but !
They are very careful when using
cause burning and is very harmful to material and skin.
because it can
Acid and many other
under water.
It will take several
unit
need to be used with caution. is a substance which will take fire of itself if not kept
to finally make a great discovery.
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