miércoles, 27 de abril de 2016

SIMPLE MACHINES



"Simple Machines Types" 

Machines make work and life easier. Some types of simple machines (a pulley, a inclined plane, a wheel, a lever and a screw) are well explained with examples in this animated education video. 

Pulley


Inclined plane


Wheel


Lever


Screw


What is energy? Game

Renewable or non-renewable  energy - game

Electricity - game


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