Kelly Works at an Ice Cream Shop and Observes That

question 43

Multiple Choice

Kelly works at an ice cream shop and observes that the number of people buying ice cream varies greatly from day to day. For a couple of weeks, she has recorded the number of people at the shop each day, as well as the daily temperature. If Kelly is using the scientific method to better understand ice cream buying habits, her next step is to

• A) conclude definitively that people buy more ice cream when the temperature rises.
• B) state her findings as a well-tested economic principle.
• C) use the observed data to form a hypothesis about ice cream buying behavior.
• D) throw out the data if it does not show a perfect relationship between buying habits and the other information she has collected.

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Definitions:

North Magnetic Pole

The point on the Earth's surface where geomagnetic field lines are directed vertically downwards, the opposite of the Geographical North Pole.

Compass Needle

A magnetized pointer free to align itself with Earth's magnetic field, used in compasses for navigation.

Earth

The third planet from the Sun, our home planet, or in electrical terms, the reference point in an electrical circuit for the return path of currents or a direct physical connection to the ground.

Ampere-Turns

A basic unit for measurement of magnetism. The product of number of turns of wire times current flow.