Free Fall Investigation

Name: ___________         G10 Physics : Free Fall Investigation       Date: ____________

Part B: Inquiring and Designing    

Score: ____/8

MYP Level Descriptor
0 Does not reach a standard
1-2 ·         State Problem or Question to be tested

·         Outline Hypothesis

·         Outline Variables

·         Design a method, with limited success
3-4 ·         Outline a Problem or Question to be tested

·         Formulate a Hypothesis using scientific reasoning

·         Outline how to manipulate variables and how to collect relevant data

·         Design a safe method in which he/she selects materials
5-6 ·         Describe a Problem or Question to be tested

·         Formulate and explain a Hypothesis using scientific reasoning

·         Describe how to manipulate variables and how to collect sufficient relevant data.

·         Design complete and safe method in which he/she selects appropriate materials
7-8 ·         Explain a Problem or Question to be tested

·         Formulate and explain a Hypothesis using correct scientific reasoning

·         Explain how to manipulate variables and how to collect sufficient relevant data.

·         Design a logical, complete, and safe method in which he/she selects appropriate materials
Part C: Processing and Evaluations    

 Score: ____/8

MYP Level Descriptor
0 Does not reach a standard
1-2 ·         Collect and present data

·         Interpret data

·         State the validity of a hypothesis

·         State the validity of the method

·         State improvements and/or extensions to the method
3-4 ·         Correctly collect and present data

·         Accurately interpret data and explain results

·         Outline the validity of a hypothesis

·         Outline the validity of the method

·         Outline improvements and/or extensions to the method
5-6 ·         Correctly collect, organize and present data

·         Accurately interpret data and explain results using scientific reasoning 

·         Discuss the validity of a hypothesis

·         Discuss the validity of the method

·         Describe improvements and/or extensions to the method
7-8 ·         Correctly collect, organize, transform and present data

·         Accurately interpret data and explain results using correct scientific reasoning 

·         Evaluate the validity of a hypothesis

·         Evaluate the validity of the method

·         Explain improvements and/or extensions to the method

 

 

 

Your task: Your task is to investigate the motion of an object while falling freely.

Question: How does the height an object is released from (near earth surface) affect its acceleration

Research: (What information would you need to know before making a prediction regarding your experimental question?  Please describe using valid research literature.  You must cite your resources within the text.  Anything you cite below must also be cited in your bibliography.)

  • What is the acceleration of gravity?
  • Is it constant or does it change?
  • What factors could cause a change in the acceleration of a falling object?

Hypothesis: If I increase/decrease (IV) then (DV) will increase/decrease.  Why do you expect this trend to occur?  Justify your hypothesis using your research from above.)

 

Identify your variables:

Independent Variable (how you are changing it)

 

 
Dependent Variable (how you are measuring it)

 

 
Controlled variables (list three variables you controlled and specify briefly how you controlled each)

 

 

 

 

 

Materials: Please list all materials you will need to complete your experiment. 

Procedures/Methods:  Please describe exactly what you will do in your experiment. (step-by-step).

 

 

Data :

Table 1:

  • Fill out as you collect data, not afterwards.
  • Show 1 example  of the average calculation.
Height (m) Time (sec)
Trial 1 Trial2 Trial 3

 

 Trial 4 Average (sec)
       

 

    
       

 

    
       

 

    
       

 

    

 
           

 

Table 2:

  • Your heights and average times come from your Table 1.
  • Pick a kinematic that has s, u, t, and a in it to solve for acceleration
  • Show 1 example of the acceleration calculation.
Heights (m) Initial velocity (m/s) Average Time (sec) Acceleration( m/s2)
  0    
  0    
  0    
  0    
  0    

 

 

Graph: Plot Height vs Acceleration. ( label the axis, identify the units, apply the best fit line of curve)

Conclusion:

  • According to your graph hoe does height & acceleration relate?
  • What relationship does your data show? (use the Possible Graphs given below as reference)
  • Does your data support your hypothesis?

Evaluation:

  • Discuss the meaning of the found relationship.
  • Explain if the found relationship agree with literature (research).
  • Discuss any important strengths (Method kept an important control variable constant? Or Method allowed for precise data to be collected).
  • Discuss any important weaknesses. (control variable did not remain constant? Something unexpected that affected the data?)

 

 

 

 

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