Metric system microscope thermometer telescope

2. These words are used to describe the inventions above. Check if you know their meaning. How are they related to these inventions?

to contain	to determine	image
concave	magnification	to observe
direction	liquid	to multiply
to measure	constellations	volume
angle	decimal	unit
component	to expand
mercury	to focus

3. Work with a partner. Take turns to describe the purpose of each invention.

Example: Metric system (decimal, system, to measure, meters, hours, kilograms,

etc.)

a) Microscope (device, to magnify, small objects, to examine, lenses, scientifically)

b) Compass (tool/device, to find, magnetic north, suspended needle, to point to direction)

c) Thermometer (device, to measure, to rise, to fall, graduated glass cylinder, line, water, temperature, air, mercury, people’s body, to move up or down, coloured alcohol, to contain)

d) Telescope (instrument, cylindrical, to enlarge, to observe, stars, planets, lenses, mirrors)

Дата добавления: 2015-11-14