Friday, September 28, 2012

Fun with simple machines

The fifth graders explored websites that let them explore and experiment with simple machines.

Wednesday, September 26, 2012

We the students

The 5B Constitution

Pulleys

Did you know that a pulley does not change the amount of work done? (Work is the measure of the force to move an object multiplied by the distance the object is moved.) A pulley works with the force of gravity. That is why it is easier to move objects with a pulley. Can you name some real life pulleys?