Variables

Frame Stress

When force is applied to something to see how it affects its shape, it is often called stress. The amount of bending can be measured as an angle, and is called the deflection.

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Frets

Suppose you are building a guitar where the distance from the bridge to the nut is 1000 millimeters. Use what you have discovered about the ratios of the fret positions to determine the locations of each of the first 12 frets.

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The Garden

Identify the variables related to a garden.

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Green Thumbs

Study the variables associated with growing plants.

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Microgravity Exercise

Begin by making a hypothesis concerning how a person’s heart rate would change when they begin exercising, while they are exercising over a period of a few minutes, and when they stop exercising.

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Peas in a Pod

Is there a relationship between the length of a pea pod and the number of peas it contains?

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Tip Toss

What are the mathematics behind this type of carnival game?

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Variables and Equations

Students get hands-on experience with variables and equations.

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Weighing the Evidence

How many pennies are in a mystery roll? Finding the answer involves variables.

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