Physics PET Lab Report

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Directions: This handout serves as a guide for your write-up. The portions required on turnitin.com are noted within the document, as well as at the end. This material must be typed and submitted on turnitin.com by 11.59 pm on Wed., March 23rd (no exceptions .)

PhET Lab: Intro. to Magnetism https://www.noodletools.com/noodlebib/mybib.php?highlight=2896337 Part 1: Magnetic Fields and the Earth (30 POINTS)

8. Select “show compass.” Move the compass to several positions around the magnet. Use the space below to sketch at least 10 positions of the compass needle. What do you notice? What do these compass needle orientations resemble? (5 points on turnitin.com)

Made by Lauren Smith

In the compass, there is a North-seeking needle and a South-seeking needle. The North-seeking needle always moves to face the North pole of the magnet, and the South-seeking needle always moves to face the South pole of the magnet. The compass needles are similar to the electric fields and vectors around electrons. The compass needles follow a line when they are moved that resembles a magnetic field line. …show more content…
Based on what you have just seen, what do you think is the polarity (find an academic physics definition of this) of the “North seeking” end of the compass needle? Why? (10 points on turnitin.com)
Based on the definition of polarity, “the condition of having positive and negative charges and especially magnetic or electrical poles”, the North-seeking end of the compass needle would be negative. Opposites attract, so if the needle is seeking the (positive) North, it must have negative

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