Label the following pictures

The communication technology evolution and the Tunisian revolution

Introduction to unit 4: science and technology

*Match each word with its definition.

1 -high-tech -idea that tries to explain something.

2 -gadget /device -show how something works.

3 -online -events that are hard to explain.

4- laser -using the most modern technology.

5- demonstrate -a person who studies a subject in detail.

6- phenomena -a small tool or machine that helps you do something.

7 -researcher -connected to the Internet.

8- theory -equipment that produces a powerful beam of light.

……………………….. …………………… ……………… …………………… ……………………… ……………….. ………………….

…………………….. ………………………… ………………………….. …………………………… ………………………………….

*Complete the following definitions:

tested - engineering -knowledge – truths- technology - phenomena - creation- practice - experimentation

According to Webster's New Collegiate Dictionary, the definition of science is "……………………….. attained through study or……………………..," or "knowledge covering general……………………..of the operation of general laws, esp. as obtained and ………………….. through scientific method [and] concerned with the physical world." Science refers to a system of acquiring knowledge. This system uses observation and ……………………………. to describe and explain natural………………………... The term science also refers to the organized body of knowledge people have gained using that system. While …………………. is the branch of knowledge that deals with the…………………… and use of technical means and their interrelation with life, society, and the environment, drawing upon such subjects as industrial arts, ………………………, applied science, and pure science.

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