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Lab Report

Energy


Introduction

1. What was the purpose of the experiment?


2. What were the independent, dependent, and control variables in your investigation? Describe the variables for the first part of the experiment.


Experimental Methods

1. What tools did you use to collect your data?


2. Describe the procedure that you followed to collect the data for the first part of the experiment.


Data and Observations

1. Record your observations in the data table.


Table 1. Measurements Taken from a Simulation of a [insert mass value] kg Ball Released from Various Heights on a Ramp

Mass of ball (kg) Drop height on ramp (m) Potential energy (J) Time to travel 1.0 m (s) Speed (m/s) Kinetic energy (J)

0.5

1.0

1.5

2.0

2.5

3.0

Conclusions

1. What conclusions can you draw about how the amount of potential energy stored in a system changes as a ball is placed at varying heights on a ramp? Write an evidence-based claim.


2. What conclusions can you draw about how the final kinetic energy of a ball in a system changes as a ball is placed at varying heights on a ramp? Write an evidence-based claim.


3. Develop a model (diagram) that shows how different amounts of gravitational potential energy (GPE) are stored in the earth-ball system when the ball is raised to different heights on the ramp.


4. How did you use what you learned from the first part of the experiment to design a marble run?