Wednesday, January 18, 2017

cloud


 cumulus: It has a shape fluffy

cirrus: It has a shape like a small feather
 stratus: It shape is flat and cover the sky



Wednesday, January 11, 2017

the ball speed lab

Speed
1. If the height of the ramp is high the ball will bounce and slow the speed of the ball, but if the height of the ramp is 0 the ball speed will be slower.
2. 20 height of the ramp is the height of the ramp make the fastest, because the lower of ramp height.
3. The ball is not travel in straight line because these factor:
  • The slope of the room
  • when the ball bounce to the floor