4.
Instrument:
A device used for an action based on a
sensitive nature. It is used for
measuring.
Ex: Thermometer
5.
Machine:
It is a mechanical device with an organized
interacting components takes in energy in
particular form and converts it in a suitable
form. Ex. Lathe Machine
7.
Mechanism:
A system or a device – works as a
means-the outcome is certain force or
motion. Ex: grinding
8.
Engine:
A device used for conversion of a form of
energy into another-output is powerexample heat energy into mechanical energypower as an output. Ex. Steam Engine
9.
Appliance:
A piece of equipment designed to
perform a specific task. It is used for
commercial purpose. Ex: Electric Iron
10.
Hammer: Hammer is a tool which
consists of a solid metal head set
crosswise on the end of a handle,
used for pounding.
11.
Microscope: A microscope is an
optical instrument containing a
system of lenses that magnifies very
small object not visible to the eyes.