It’s that time of year again, fireworks for Halloween, fireworks for Bonfire Night, fireworks for Christmas light switch ons, fireworks for New Year. It’s just fireworks all over!
Active transport is the final method of how particles move that you need to know.
Surprise, surprise, you should be familiar with your this text-book definition.
Did a UFO fly over the Irish coast last Friday?
Early Friday morning a British Airways pilot spotted multiple large objects flying in the same direction. Messages were radioed in to enquire if any military exercises were taking place but no such event was occurring. No collision happened, so what were they?
Over the summer students around the country opened up their results full of numbers rather than the traditional ABC grades. All subjects at GCSE will have to make this move to the numerical grades by 2020, but what do they actually mean.
Diffusion is one of the key concepts you need to learn for GCSE. With diffusion you will know why if some sprays some deodorant or perfume in one corner of the room why it spreads everywhere else.
You will need to know this text-book definition.
Cell division is an important function for example growth and repair. We call this process mitosis.
You need to know what happens during this process including how the amount of DNA changes.
Inside your cells, specifically the nucleus, contains all the genetic information, DNA, that makes us the way that we are. We get our DNA from out parents, half from mum and half from dad, and they are stored in tightly coiled bunches called chromosomes.
Humans have 23 pairs of chromosomes, 46 in total, 23 from each parent. The information on these chromosomes gives us our hair colour, eye colour, skin colour etc …
There are 2 types of microscopes you need to know about for your exams. They are:
- Light Microscope
- Electron Microscope
But what are the differences between the 2?