Topic 5 - Lesson 3 - Electromagnetic Force

The relationship between electricity and magnetism is called _____. 260-261

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NGSS.MS-PS2-5

What did Hans Christian Orsted notice when he brought a compass near a wire that had an electric current running through it?  260-261

• He noticed that the compass needle changed direction when it was near the wire. 

• He noticed that the compass needle stayed the same when it was near the wire. 

• He noticed that the wire changed when it was near the compass. 

• All of the answer choices

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

He (Hans Christian Orsted) placed several different compasses near a wire and found out that the compass needles changed direction when a _____ passed through the wire.  260-261

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

The compass needles did not change direction when no _____ flowed. 260-261

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NGSS.MS-PS2-5

Orsted concluded that an electric current produces a _____, so electricity and magnetism are related. 260-261

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NGSS.HS-PS2-5

A _____ force is needed to keep this object in mid-air despite the downward pull of gravity.  260-261

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NGSS.MS-PS2-4

What evidence did Orsted use to conclude that an electric current produces a magnetic field?  260-261

• Orsted observed that compass needles changed direction only when electric current passed through a wire. 

• Orsted observed that compass needles stayed the same only when electric current passed through a wire. 

• Orsted observed that compass needles changed direction only when electric current did not pass through a wire. 

• Orsted observed that compass needles stayed teh same only when electric current did not pass through a wire. 

Tags

NGSS.HS-PS2-5

When you examine Figure 2, you can see that the _____ produced by a current has a certain direction.  This field also has a certain strength.  262

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NGSS.MS-PS2-5

To turn the magnetic field off or on, simply turn the _____ off or on.  262

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NGSS.MS-PS2-3

In a straight wire, the field’s direction depends on the direction of the current.  You can use what is known as the _____, as shown in Figure 3.  262

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5