When You See the Bright Flash of a Meteor, What

question 97

Multiple Choice

When you see the bright flash of a meteor, what are you actually seeing?

• A) The glow from a pea-size particle and the surrounding air as the particle burns up in our atmosphere
• B) Emission of visible light from a particle that has not yet entered Earth's atmosphere
• C) A star that has suddenly shot across the sky
• D) The flash that occurs when a speeding rock from space hits the ground

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Definitions:

Synapse

A synapse is the junction between two neurons or between a neuron and a muscle, where electrical or chemical signals are transmitted.

Neural Transmission

The process by which nerve cells (neurons) communicate with each other through electrical and chemical signals.

Action Potential

A brief electrical charge that travels down a neuron, triggered when the neuron fires and essential for nerve impulse transmission.

Excitation Reaction

A physiological response that increases the activity or efficiency of a part of the body or brain.