Simple Machines & Inventions
They're everywhere! Those simple machines are simply everywhere and they make our lives easier. What are the simple machines and how do we recognize them? Where do we find them and how do they really help us? How many of them are there? Do you have any personal simple machines of your own? What simple machines have you used today and how did they make your life a little easier? Will you use them again before you go to bed again tonight? Who invented/discovered these simple machines and when? Discover the answers to these questions and a whole lot more!