Which of the Following Is an Example of Physical Change

question 153

Multiple Choice

Which of the following is an example of physical change?

• A)Sugar is dissolved in water.
• B)Tea is brewed.
• C)Dry ice sublimes.
• D)Ice (solid water)melts.
• E)All of the above are examples of physical change.

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Definitions:

Action Potential

A rapid rise and subsequent fall in voltage or membrane potential across a cellular membrane, momentarily allowing the cell to become depolarized.

Depolarization

The process by which the electrical charge of a cell membrane becomes less negative, leading to the generation of an action potential in neurons.

Hyperpolarization

A change in a cell's membrane potential making it more negative, typically reducing the likelihood of generating an action potential.

Terminal Button

The small knoblike structures at the ends of axons that release chemical signals from the neuron into the synapse.