Select the topics an astrophysicist would study. thermodynamics

physics

biology

electromagnetism

chemistry

geoscience

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(You can trust this answer because i want to be an astrophysicist when i grow up!)

Answer

Astro= observation of celestial objects, physics= study of natural phenomena, and the mathmatics describing them. astro+physics= study of the physics describing celestial phenomena.

Physics (study of mathematics describing natural phenomena)

electromagnetism (study of electric and magnetic fields as well as light)

chemistry (study of molecules and atoms)

thermodynamics (study of energy [mostly heat energy])

ALSO

astronomy (observation of celestial objects)

Hope it helped (hope it made sence even more than it helped)

iron would move it is magnetic there is a mag field around the current in the wire

small = small current large mag large current