Experts of Academic Excellence
Electromagnets are electrically powered magnets that can be turned on and off. You can make your own electromagnet with a simple battery-powered circuit and a screwdriver or iron nail. As electricity flows through the wire coiled around the screwdriver, it creates a magnetic field which magnetizes the metal of the screwdriver. This activity should be…
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All moving objects have momentum. Another way to think about momentum is how hard it is to stop a moving object. It’s harder to stop an object moving quickly than an object moving slowly. What is the momentum equation? All moving objects have momentum. Momentum is a vector quantity which means it has size AND…
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Pathogens are organisms that cause disease. Viruses, bacteria, protists and fungi are all pathogens. Pathogens cause communicable diseases. Diseases can be communicable or non-communicable. What is a communicable disease? Communicable diseases spread between people. Non-communicable diseases cannot be spread between people. An example of a non-communicable disease is heart disease. Examples of viral diseases Ebola…
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Static electricity is the thing that sometimes gives you a little shock when you touch a metal door handle after walking on a carpet. It makes your hair stand on end when you put a woolly jumper on and can be used for lots of fun science experiments and demonstrations. This static electricity demonstration shows…
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Have you ever had an electrostatic shock from a shopping trolley or escalator or noticed your hair standing on end when you rub a balloon on it? The shock is because of static ( non-moving ) electricity caused by electrons building up with no circuit to flow along. An object that has gained electrons has…
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We’ve heard a lot about viruses recently, but how do they work? Viruses cannot live for long without a host. Viruses consist of either a DNA or RNA genome ( genetic code ) and a protein coat, some also have an extra fatty envelope to protect their genetic material. They cannot reproduce without being inside…
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The Grinch is one of my favourite children’s Christmas books. This melting the Grinch’s heart activity is super simple and can be carried out in lots of different ways. Younger children can just try to rescue the buttons by pouring warm water over the ice, while older children could set it up like a real…
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From the outside a raw egg and a hard boiled egg look the same, so how can you tell the difference? How can you tell if an egg is raw or hard boiled? The key is in the spin! A hard boiled egg will spin nicely and a raw egg will wobble. The raw egg…
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This cheeky elf has switched around Santa’s signs. Can you find a way to quickly reverse the arrows before Santa flies by? This science activity is a fun way to learn about refraction. Did you know that light bends as it moves from one material to another with a different density? This is unusual as…
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Chain reactions are a great fun STEM project that always keep my kids busy for hours. This Christmas themed version can be adapted in lots of different ways using whatever you have handy around the house. Books can be used as dominoes, baubles as balls and bells to make a noise. A chain reaction is…
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