6.8 to 6.10 Plenary answers
Wednesday, February 1, 2012
6.10
6.10 01 December 2011 18:04
· 6.10 sketch and recognise magnetic field patterns for a straight wire, a flat circular coil and a solenoid when each is carrying a current Straight wire = Right hand grip rule Flat circular coil Solenoid 6.8 to 6.10 Plenary questions 
· 6.10 sketch and recognise magnetic field patterns for a straight wire, a flat circular coil and a solenoid when each is carrying a current Straight wire = Right hand grip rule Flat circular coil Solenoid 6.8 to 6.10 Plenary questions
6.8 and 6.9 starter
6.8 and 6.9 starter Tell the person next to you…
· What's an electromagnet?
· How is it different from a magnet? 6.8 Field around current carrying conductor simulation Website: http://www.walter-fendt.de/ph14e/mfwire.htm 6.8 and 6.9 · 6.8 recall that an electric current in a conductor produces a magnetic field round it
· 6.9 describe the construction of electromagnets 6.8 and 6.9 extension - bell 6.8 and 6.9 Plenary Multichoice questions 
· What's an electromagnet?
· How is it different from a magnet? 6.8 Field around current carrying conductor simulation Website: http://www.walter-fendt.de/ph14e/mfwire.htm 6.8 and 6.9 · 6.8 recall that an electric current in a conductor produces a magnetic field round it
· 6.9 describe the construction of electromagnets 6.8 and 6.9 extension - bell 6.8 and 6.9 Plenary Multichoice questions
Thursday, January 19, 2012
Friday, December 16, 2011
6.7
6.7 starter Tell the person next to you…
1. If the field lines are close together, what does this tell you about the field?
2. If the field lines are widely spaced, what does this tell you about the field?
3. If the magnetic field lines are parallel to each other, what does this tell you about the field? Answers
1. The field is strong
2. The field is weak
3. The field is of a constant strength - a "uniform" field 6.7 · 6.7 know how to use two permanent magnets to produce a uniform magnetic field pattern · When the field lines are parallel, the field will be uniform (constant field strength)
1. If the field lines are close together, what does this tell you about the field?
2. If the field lines are widely spaced, what does this tell you about the field?
3. If the magnetic field lines are parallel to each other, what does this tell you about the field? Answers
1. The field is strong
2. The field is weak
3. The field is of a constant strength - a "uniform" field 6.7 · 6.7 know how to use two permanent magnets to produce a uniform magnetic field pattern · When the field lines are parallel, the field will be uniform (constant field strength)
6.6
6.6
· 6.6 sketch and recognise the magnetic field pattern for a permanent bar magnet and that between two bar magnets6.4
6.4
• 6.4 understand the term ‘magnetic field line’ Observing the magnetic field around a bar magnet and a wire magnetic field around a bar magnet and wirehttp://www.youtube.com/watch?v=pjJSa148CKI· Use iron filings to observe the magnetic field around a bar magnet
· Use plotting compasses to observe the field
· Use the 3D field demonstrator to observe field 6.4 Field around bar magnet simulation Website: http://www.walter-fendt.de/ph14e/mfbar.htm 6.4 plenary questions and Earth's Magnetic Field 6.4 plenary 2 · Can you stop a magnetic field?
· Watch the incredible flying paperclip demo to find out!
· Now you can try with your hand...
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