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LAB -uniform motion

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Name: ______________________________
Science 10 Lab
Uniform Motion
Date: _______________________________
Period: ______________________________
Question:
What can measuring the speed of an object tell us about its motion?
Experimental Design:
In this lab the speed of toy cars will be determined using a ticker tape timer. Distance is from the time points on the
ticker tape. The data is recorded and plotted on a graph to observe the type of motion..
The variables are:
Manipulated: _______________________
Reason:____________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
Responding: _______________________
Reason:____________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
Controlled: 1. _______________________, 2. _______________________, 3. _______________________
Reason:____________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
Materials:
- Ticker tape
- Ticker tape timer
-
Masking tape
Toy cars
-
Meter stick
Observations:
Note:In order to accurately record the data the following steps must be taken. The ticker tape timer must be set to
10Hz; this corresponds to every 0.1 seconds
1. Label each one of the points t0, t1, t2, ... etc. as shown above until you have reached the end of your ticker tape
2. Measure the distance from t0 to each one of the points as shown. You must start your measurement from t 0.
3. Record your measurements in the data table below. Be sure to use the proper time interval
Table 1.3-1: Distance measured as a function of time from ticker tape of a toy car
Time (s)
0
Distance (m)
0
Analysis:
Using graphical analysis, determine the average speed of a toy car.
Your analysis should include:
- A graph representing the distance as a function of time of each of the toy cars. Plot your data on the grid below.
Be sure to follow the “graphing guidelines” handout when creating your graph. Be sure to label each axis,
provide a title, use and accurate scale, plot your points clearly and draw a line of best fit.
- Determine the slope of the line of best fit and algebraically relate your value to the appropriate physics concept.
Slope Calculations and Units
Conclusion:
Provide a brief summary of your results. Ensure to explain how the “slope of the line of best fit” is connected to the type
of motion being observed. If there were any sources of error encountered in the lab, please note how it affected the
data.
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
__________________________________________________________________________________________________
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Experimental Design
Variables
1
2
3
4
Variables stated are limited in
their accuracy of the lab.
Rationale is limited in explaining
the importance of the variable.
Variables stated are minimal in
their accuracy of the lab.
Rationale is minimal in
explaining the importance of
the variable.
Variables stated are moderate
in their accuracy of the lab.
Rationale is moderate in
explaining the importance of
the variable.
Variables stated are superior in
their accuracy of the lab.
Rationale is superior in
explaining the importance of
the variable.
Graphical Analysis
Distance vs. Time graph
Slope Calculation and
Explanation
Distance vs. time graph is
Calculations demonstrate a
limited in meeting the
limited connection to physics
graphing guidelines. Attention equations. Explanation is limited
to detail is limited.
to the outcomes of the lab.
Distance vs. time graph is
Calculations demonstrate a
minimal in meeting the
minimal connection to physics
graphing guidelines. Attention equations. Explanation is minimal
to detail is minimal.
to the outcomes of the lab.
Conclusion
Explanation of Results
Explanation is limited in its
expression of the accuracy of the
appropriate physics concept
being observed by the data
Explanation is minimal in its
expression of the accuracy of the
appropriate physics concept
being observed by the data
Distance vs. time graph is
moderate in meeting the
graphing guidelines. Attention
to detail is moderate.
Explanation is moderate in its
expression of the accuracy of the
appropriate physics concept
being observed by the data
Distance vs. time graph is
superior in meeting the
graphing guidelines. Attention
to detail is superior.
Calculations demonstrate a
moderate connection to physics
equations. Explanation is
moderate to the outcomes of the
lab.
Calculations demonstrate a
superior connection to physics
equations. Explanation is superior
to the outcomes of the lab.
/4
/4
/4
Explanation is superior in its
expression of the accuracy of the
appropriate physics concept
being observed by the data
Section Total
/4
Final Analysis
Mark
/16
Science 10 Lab
This is the rubric that will be used to mark your uniform motion lab. Please read through it carefully and ask questions as you need. It is encouraged that you
complete your lab early in order to improve on the quality of work by having yourself, your peers, and the teacher proof read your lab prior to being evaluated.
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