Today we're going to conclude our introduction to circuits and start ooking at magnets. Answer the following in you books -
- what are the two ends of a magnet? - http://www.bbc.co.uk/schools/ks3bitesize/science/energy_electricity_forces/magnets_electric_effects/revise2.shtml
- what is one way of creating a magnetic field with electricity? - http://www.bbc.co.uk/schools/ks3bitesize/science/energy_electricity_forces/magnets_electric_effects/revise4.shtml
- what is one common use for electromagnets? - http://www.bbc.co.uk/schools/ks3bitesize/science/energy_electricity_forces/magnets_electric_effects/revise5.shtml
- Try this activity - what materials can the magnet pick up? - http://www.bbc.co.uk/schools/scienceclips/ages/7_8/magnets_springs.shtml
- Which ends of magnets stick together? - http://www.coolmath-games.com/0-magnets/index.html
- Which two kinds of particles are attracted to each other in this game? What repels what? - http://www.candystand.com/play/magnets
- What charge does an electron have? - http://wiki.answers.com/Q/What_charge_does_an_electron_have
- Extension - If an object (like a piece of plastic) had a lot of eletrons on it, would it attract more electrons or not? explain your answer.
- If the electrons (red dots) are attracted to the blue circle, what charge must it have? - http://www.mjgames-online.com/games/electrons.php
