C. Phil is a physics student who is thinking about volume. Phil has a supply of

ID: 1405094 • Letter: C

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C. Phil is a physics student who is thinking about volume. Phil has a supply of small cubical blocks, like little cubical legos, that he has used to build a model of a larger block. Phil muses: The concept of volume is useful for giving us some sense of how big things are. The volume of on object tells how much room the object takes up or how much space it occupies. The volume of a tank tells how much it will hold? 1. Is the statement above an operational definition for volume? If it is not, write one. 2. Compare the operational definitions of volume and area. What are the similarities and differences?

Explanation / Answer

Part 1)

It is not an operational definition.

In the world of science. A clear and direct communication is necessary. Operational definitions allow us to replicate experiments obtained in a laboratory.

Operational definition of volume:

Imagine that we want to get an object volume in cubic centimeters. 1cmx1cmx1cm are the dimensions.

1. Get a lot of cubes.

2. Get an object that you want to measure the volume of.

3. Make a replica of the object with the cubes.

4. The number of cubes used to make the replica is the volume of the object (in cubic centimeters).

Part 2)

Operational definition of area:

Imagine that a student wants to determine the area of the top of their kitchen table. The student wants to know the area in square centimeters. We begin with the construction of the square centimeters.

1. Get a centimeter ruler, paper and a pencil

2. Draw some squares where each side is a centimeter on the paper using your RULER and pencil. These are square centimeters.

3. Cut out each square centimeter and cover up the surface of kitchen table with them.

4. Count the number of square centimeters that it took to cover the surface of kitchen table.

5. The number of square centimeters that it took to cover the surface of kitchen table is the area in square centimeters of the surface of kitchen table.

similarities:

In both definitions we must recreate the object under study.

differences:

our basic ruler is three-dimensional for volume and flat for the area

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C. Phil is a physics student who is thinking about volume. Phil has a supply of

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