Grade – 3
Lab Overview – The students will move from task to task to complete the
Materials– A stop watch, inline plane and ball of choice.
Suggestion of ball types: Marbles, ping pong balls or ball bearings.
Prior Knowledge – How to perform a scientific trial and use of a stop watch.
Time – 1 class period then teacher will specify how much time will be
allowed for recording and discussing data.
Activity Directions: The students should work in groups of no more than four. Timing and recording data, will be necessary for task cards 1, 2, and 3. Complete each task as directed. Each task should be recorded in student journals or on data table provided.