Lesson 2 What is is science?
Classwork 1b Work in pairs. Read and check your ideas.
The word "science" comes from the Latin types of science are known as 'branches',
word scientia, which means "knowledge". e.g. life science (zoology, botany and bio-
Science is the system we use to learn about the logy), physical science (chemistry, physics
natural world. Science is based on tests. They and astronomy), social science (economics,
show whether a scientist's explanations for history) and others. This is because they
why things happen are right or wrong. The look like branches of a tree.

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