Day 20
Period 5
Ball on Ramp Lab: Acceleration
Warm Up
• Calculate the average speed of a dog running
through a field if he is covering 23.7 meters in
54 seconds.
Distance (m)
a. Write the equation in y = mx +b form
b. Sketch what that would look like on a distance
vs. time graph
Time (seconds)
Agenda
• Ball on Ramp Lab Set Up
• Lab
Learning Target
Ball on Ramp Experiment
• Wild Guess: How long will it take a ball bearing to
roll down TWO of these tubes at this angle?
Wild Guess
Inquiry to
Determine
Pattern
Making Sense
of the Pattern
Through
Consensus
Data Informed
Prediction
• Research Question: How does the distance a ball
rolls affect the time it will roll?
Variables
• Independent Variable
• Dependent Variable
• Constants
• Hypothesis:
Distance
Ball on Ramp Lab
Time
– sketch in graph form
– in words “I think when objects fall the distance depends
on the time fallen in a ______ relationship”
Ball on Ramp Lab
• Roles:
– Each group will have a different height
• 1 roller
• 3 timers
Computer and White Board Roles
Distance ball rolled (m)
0.6 m high ramp
Distance = ____ * (time)2
Time ball rolled for (s)
Good Example of a Whiteboard
Distance ball rolled (m)
0.6 m high ramp
Distance = ____ * (time)2
Time ball rolled for (s)