keywords to help with SATS exam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Acid | A substance with a pH lower than 7
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Air Resistance | A force that acts against an object moving through air
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Alkali | A substance with a pH higher than 7
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Ammeter | Measures electric current
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Antibiotic | A chemical that works in the blood destroying bacteria e.g. penicillin
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Antiseptic | A chemical that kills germs e.g. TCP
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Bacteria | Small microbes
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Boiling | Changing a liquid into a gas by heating it
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Carbon Dioxide | A colourless gas which turns limewater cloudy
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Carnivore | An animal that only eats meat
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Cell | All living things are made of these
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Cell Membrane | A layer around the cell which controls what goes in and out
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Cell Wall | The outside layer of a plant cell that gives it its shape
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Chloroplast | Part of a plant cell containing chlorophyll. It traps sunlight so that the plant can make food
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Combustion | Burning – where a fuel reacts with oxygen to give out heat and light energy
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Compound | Two or more kinds of atoms joined together
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Condensation | The process that changes a gas into a liquid
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Consumer | Something that eats other plants and animals
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Current | The flow of electric charge in a circuit
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Density | How heavy something is compared to its size
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Diffusion | When particles spread out and mix without being stirred
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Element | Something which contains only one type of atom
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Evaporation | When a liquid changes into a gas
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Filtration | A way to separate small particles from a liquid
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Freezing | When a liquid changes into a solid
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Friction | A force when two surfaces rub together
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Fuse | A safety device fitted into plugs
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Galaxy | A group of stars and their solar systems
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Habitat | A place where plants and animals live
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Herbivore | An animal that only eats plants
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Hydrogen | A gas which makes a squeaky pop when a lit splint is put in it
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Insoluble | A substance that does not dissolve
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Invertebrate | An animal that doesn’t have a backbone
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Joule | The unit for measuring energy
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Litmus | An indicator that turns red in acid and blue in alkali
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Melting | When a solid changes into a liquid
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Microbe | A micro-organism
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Molecule | Two or more atoms joined together
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Neutral | A pH of 7 – it is neither an acid nor an alkali
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Nucleus | The part of a cell that controls what a cell does
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Omnivore | An animal that eats both plants and meat
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Opaque | When light does not travel through an object – you cannot see
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through it |
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Oxygen | A gas found in air that is needed for respiration and combustion
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Photosynthesis | The process that uses sunlight, water and CO2 produce glucose and O2 in plants
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Predator | An animal that hunts other animals for food
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Prey | An animal that is hunted by another animal
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Producer | A green plant that makes its own food
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Properties | The way elements look and behave
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Respiration | The process of converting glucose to energy (and releases CO2 and H2O)
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Solute | A substance that dissolves in a liquid
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Solution | The mixture that forms when a substance dissolves in a liquid
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Translucent | When some light travels through an object - you cannot see clearly through it
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Transparent | When light travels through an object – you can see through it
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Upthrust | A force that pushes an object upwards
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Vacuole | The area in a plant cell that contains cell sap
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Vertebrate | An animal that has a backbone
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Virus | Smallest type of microbe
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