Cheese is made from milk. This is most often cows’ milk, but it can be made from milk from sheep, buffaloes and goats – even yaks. It can be soft…
DNA (deoxyribonucleic acid) is the molecule that carries the genetic information (the instructions) for the cell, and DNA is found in all cells that have a nucleus. DNA is made…
Paper is used for a great many things, from paper towels and tissues through sheets of paper for printing at home or work, to special paper for banknotes, and each…
Plants grown from seeds, from the smallest (an orchid, at 85 micrometers long) to the largest (the Coco de Mer palm, at about 30 cm long). Seeds are amazing things…
Like animals and humans, plants need water, air and food to grow. They get all of these from their growing medium – the compost or soil that they grow in….
Seeds contain the potential to be a whole new plant, and just need a bit of water, care and attention, as well as a bit of time, to grow. Seeds…
Growing plants without soil is known as hydroponics. Plants can be grown in many different growing mediums, such as, gravel, sand, perlite, vermiculite, rockwool, clay pellets, bark or coconut fibre,…
Plants need water. Water in the cells helps plants to grow and make food, makes leaves and stems firm (a plant that needs watering wilts), and carries minerals from the…
Eggshells are fragile. Everyone knows that. Drop an egg on the floor, or knock it against a sharp edge (like a frying pan) and that is it – eggshell, white…
