Lab review
Part I: Velocity Lab

What were the materials required for this lab?
 
 

When did you start timing the ball?
 

Why did you start timing it here?
 

What are replications and why did we do them?
 

Why do we average the replications?
 

What simple machine is at the heart of this lab?  What did it do?
 

What are some possible sources of error?
 
 

Which equation(s) are used in this lab?
 

What is the trend we found in the data?
 

Part II: Lever Lab

What were the materials required for this lab?
 
 

Which equation(s) are used in this lab?
 

What type of lever did we use in this lab?

If you have a mass of 500 grams on one side at a distance 25 cm from the fulcrum, how much mass would you have to place 50 cm from the fulcrum for it to balance? (Show your work.)
 
 

In reality (not theoretically), were the products of the two sides of the level always equal to one another?  Why not?
 
 

What three things did we manipulate in the three Parts of this lab?
 

What are some possible sources of error?
 
 

Part III: KE and PE Lab

What were the materials required for this lab?
 

Which equation(s) are used in this lab?
 

What is gravity equal to?
 

Give three pieces of advice for working with the scales.
 
 

Why do we measure height in meters (not in cm)?
 

Why do we measure mass in kg (not in grams)?
 

Why did the ball bearing have more PE than the marble?
 

What is the trend we found in the data?
 
 

Why was the KE always less than the PE?
 
 

What are some possible sources of error?
 
 

Part IV: Graphing

Plot the following data series on a graph:

MalesFemales
AgeHeightAge Height
21027
420414
630621
840828

On your graph, include the following:
Title
Labeled axes
Key (males = squares, females = circles)

In previous labs, why was the Height of the Ramp on the x-axis?
 

Why was the Velocity of the Ball on the y-axis?
 

Why do we draw a single straight line connect the points?
 
 


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