1st LESSON - Mechanics

Galileo Galilei

 

Galileo designed accurate sketches of moon. He used technics of a painter. He was looking trough a telescore with  one eye and the shape of # on the wall with the other eye. The combination from  the icons of his eyes was a technic of a painter 

He inspired the theory of pendulum in the church.
He calculated the time using his pulse.





or using water.


Free fall on the moon ( hammer -Feather)

You can show free fall with cheap and everyday objects.
The left bottle is filled with water and the right bottle is almost empty!!!

CHALLENGE YOUR STUDENTS- MAY BE THE NEXT GALILEO IS IN YOUR CLASS

If you let a stone to fall from a great height you will observe the following measurements:

5 m in 1 s

20 m in 2 s

45 m in 3 s

???m in 4 s

??? m in 5 s      , Can you guess how many meters the stone falls in 4 s or 5 s. What conclusion can you deliver?

Paper-pen

VIDEO????