Chromatography
What is Chromatography? Chromatography is a technique used to separate mixtures. The mixture is passed through another substance, in this case filter paper. The different colour ink particles travel at different speeds through the filter paper allowing us to see the constituent colours of the pen ink.
Skittles are coated in food colouring and sugar. When you pour water over the skittles, the coloured coating dissolves, spreading through the water. The colour and sugar dissolve into the water and then diffuse through it, making the water the colour of the sweet.
One way to learn about the different components of blood is to make a mini blood bath.
red blood cells – carry oxygen around the body
white blood cells – destroy pathogens and make antibodies
platelets – help blood to clot
plasma – a straw coloured liquid that carries everything in the blood, not just red and white blood cells, but also nutrients, waste products, hormones and antibodies.
What is Remembrance Day Bitesize?
Remembrance Day – also known as Armistice Day – takes place every year, to remember all people who have died in wars. Ceremonies take place on 11 November, the day that World War One ended, with the country falling silent at 11am for a period of reflection.
A Service of Remembrance provides an opportunity to come together with family and friends to honor a life well-lived. It's time to share your memories of the wonderful times you had with your loved one. Everybody grieves the loss of someone they love.
Unfortunately not the ones with chocolate chips.
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