K'Nex 77078 Manual

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Experiment #1

Making it Through the

Roller Coaster Loop

Objectives: Determine the relationship between the

mass of an object and the height above the ground at

which it must be released in order to pass through a loop.

Materials You Will Need:

built ROLLER COASTER model

washers, paperclips or any other

small item that can be weighed

and taped to the coaster car

scale

ruler or tape measure

PROCESS:

1. Build the ROLLER COASTER model by following the step-by-step building

instructions.

2. Once your model is complete, do the following:

a. Using your washers, paperclips or other small items, determine a way to give

the coaster car 4 different masses.

For example:

Mass #1 could be the coaster car without any additional objects.

Mass #2 could be the coaster car with 1 washer attached.

Mass #3 could be the coaster car with 2 washers attached

Mass #4 could be the coaster car with 3 washers attached.

77078

masking tape

pen or pencil

regular paper or journal

graph paper

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Page 1 Experiment #1 77078 Making it Through the Roller Coaster Loop Objectives: Determine the relationship between the mass of an object and the height above the ground at which it must be released in order to pass through a loop. Materials You Will Need:...
Page 2 b. Draw a table. You will use this table to record your data. Here is an example: Minimum height required Mass of coaster car for coaster car to make it configuration through the loop Coaster Car - Mass #1 Coaster Car - Mass #2 Coaster Car - Mass #3 Coaster Car - Mass #4 c.
Page 3 b. If the heights attained were different, do you think any property of the coaster cars may have contributed to the difference? Explain. c. Draw a bar graph to compare the masses of the coaster cars and the heights they attained. Plot the mass of the coaster cars on the x-axis and the height on the y-axis.