Forces and Magnets – Magnetic poles and Compasses
This week’s lesson is all about understanding magnetic poles.
For this lesson, it would be great if you have a couple of bar magnets but don’t worry if not. You can still do the lesson and learn about magnetic poles.
Work your way through the PowerPoint with an adult.
Watch the video on slide 3. Make sure the PowerPoint is in slideshow mode otherwise the video link may not work. Here is the video link in case anyone is having trouble accessing it:
When you get to slide 6, you can explore the poles of two bar magnets if you have them. If you don’t have bar magnets, read the information and discuss with an adult what you think would happen.
Complete the ‘Magnetic Poles Activity Sheet’ as shown on slide 7.
If you can, have a go at making your own compass. Follow the instructions from the word document ‘Make a Magnetic Compass’.
If you haven’t already, why not have a go at some of these extra activities to investigate the strength of magnets. You will need at least one magnet for these experiments but if you have two different magnets, you can compare which magnet is stronger. You will also several steel paperclips and several pieces of paper.
Attach a steel paperclip to the end of your magnet. How many more paperclips can be attached to form a chain? If you are using two magnets, your task is to investigate which one can hold the most paperclips? Before you start, make a prediction for how many paperclips your magnet will be able to hold or which magnet will be the strongest. Was your prediction right?
Attract Through Paper
Place a magnet below a sheet of paper and a paperclip on top. How many sheets of paper can each of the magnets attract through? If you are using two magnets, your task is to investigate which magnet can attract through the most pieces of paper. Before you start, make a prediction for how many pieces of paper your magnet will be able to attract through, or which magnet will attract through the most pieces of paper. Was your prediction right?