Tuesday 3 February 2009

7 ways to help you revise for an exam

1) get personal space that is quiet and peaceful get a desk that is big and spaceius (sorry about my spelling) all to yourself.

2) make a time table ( it's more useful if you have more than 1 exam coming up)

3) take regular breaks and keep yourself hydrated

4) USE DIFFERENT SKILLS LIKE:
  • FLASH CARDS- questions on the front & answers in the back
  • MINDMAPS - make it colourful cos it will help you remember.

5) play revision games on the internet like on BBC bitesize.

6) buys revision books to write or just to read normally

7) eat bannana's which sounds stupid but is a good source for your brain

they are my 7 ways to help revise for an exam

REMEMBER IF YOU GET STUCK ON SOMETHING AND CAN'T FIGURE IT OUT THEN ASK A TEACHER AT SCHOOL TO COVER IT WITH EVERYONE IN THE CLASS COS U NEVER KNOW THERE COULD BE SOMEONE ELSE IN YOUR CLASS WITH THE SAME PROBLEM AND IT IS VERY COMMON.

bye bye guys

Monday 2 February 2009

i've made a small revision video about magnets & electromagnets 4 monday's exam;

Wednesday 28 January 2009

Electromagnets


A magnetic field is produced when an electric current flows through a coil of wire. This is the basis of the electromagnet. We can make an electromagnet stronger by doing these things:
wrapping the coil around an iron core
adding more turns to the coil
increasing the current flowing through the coil
The magnetic field around an electromagnet is just the same as the one around a bar magnet. It can, however, be reversed by turning the battery around. Unlike bar magnets, which are permanent magnets, the magnetism of electromagnets can be turned on and off just by closing or opening the switch.

Tuesday 27 January 2009




the earths magnetic field




The Earth does not contain a giant bar magnet, but it behaves as if it does. The Earth has a magnetic pole in the north and one in the south. Compasses work because bar magnets can line up in the Earth's magnetic field and point north. Make sure you understand these things:
the north pole of a bar magnet is actually called the 'north-seeking pole', and it points to the Earth's magnetic pole in the northern hemisphere
the south pole of a bar magnet is actually called the 'south-seeking pole', and it points to the Earth's magnetic pole in the southern hemisphere. The magnetic pole near the geographical North Pole attracts a bar magnet's north pole because it is in fact a magnetic south pole. In geography and navigation it is always called the 'north magnetic pole' which can make things confusing.


Small compasses called plotting compasses can be used to show the magnetic field around a bar magnet, instead of using iron filings. The needle in each compass turns and lines up along the field lines.



f we arrange some plotting compasses around a bar magnet, we see that the needles point away from the magnet's north pole and towards its south pole.






homework:

REVISE FOR A BADGER ASSESMENT ON FRIDAY (i think) ABOUT MAGNETS AND ELECTROMAGNETS 8J
you can use the links below:
http://www.bbc.co.uk/schools/ks3bitesize/science/physics/magnetism_intro.shtml
http://www.sgfl.org.uk/berryhillscience/Year8/8J
http://www.google.co.uk/search?hl=en&rlz=1T4TSEA_en-GBGB273GB274&q=magnets+and+electromagnets+powerpoints&meta= ( go onto the 1st site)
you can cheak out some of the other sites on the site above


you can do some reasearch on some super search engines;

so you should cheak it out plus the techer didnt say the test is so you have to bear with it.

this is my blog for revison like school stuff and test stuff unfortunatly i just made this blog to make revision a little easier 4 me i'm a neek or anything just soo you know cos if you think i'm a neek then your a bitch.