Memory Anchor:

• Super Challenge:

  Stretch:

  Challenge:

Key Questions:

1. What happens when a current flows through a conducting wire?
   • When a current flows through a conducting wire a magnetic field is produced.
2. What does the strength of the magnetic field depends on?
   • The current through the wire and the distance from the wire.
3. How does shaping a wire into a solenoid affect strength of the magnetic field?
   • Shaping a wire to form a solenoid increases the strength of the magnetic field created by a current through the
4. What is the magnetic field like inside a solenoid?
   • The magnetic field inside a solenoid is strong and uniform.
5. What is the shape of the magnetic field around a solenoid?
   • The magnetic field around a solenoid has a similar shape to that of a bar magnet.
6. How does adding an iron core affect the magnetic field?
   • Adding an iron core increases the strength of the magnetic field of a solenoid.
7. What is an electromagnet?
   • An electromagnet is a solenoid with an iron core.
8. Describe how the magnetic effect of a current can be demonstrated
   • The magnetic effect of a current can be demonstrated using iron fillings and a moving a compass around the magnets by plotting north.
9. What does the magnetic field around a straight wire look like?
10. How does a solenoid arrangement increase the magnetic effect of the current?
11. (Physics only)
    • (Physics only)