Demonstration or Experiment:
A student creates a “volcano” by mixing vinegar and baking soda.
(a) Demonstration
(b) Experiment

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Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island