WORDS

      

WORDS

     acid = a strong liquid that can burn holes in materials or damage your skin

• alloy = a metal that is made up of two or more metals mixed together
• amino acid =one of the substances that combine to form proteins
• artist = a person who paints or makes drawings
• bacteria = very small living things that can lead to illnesses
• billion = a number with 9 zeros
• boil = when a liquid becomes hot enough it turns into a gas
• bombard = to shoot at
• bond = two or more things become fixed together
• building block = the pieces or parts of an object
• carbon =a chemical substance that is in coal, oil or diamonds
• carbon dioxide =the gas that is produced when people or animals blow out air or when carbon is burned
• chain =line that is connected
• charge = electricity that is put into an electrical object, like a battery
• chlorine = a greenish yellow gas with a strong smell
• combine = to get together with
• common = you can find it very often
• complicated = not easy
• compound = is made up of two or more elements
• condense = if a gas becomes a liquid
• consist = are made up of
• copper = a reddish-brown metal used to make wires and pipes
• corrode = to rust
• create = make
• creature = anything that is living
• crown = a top for a bad tooth
• decorate = to make something look nice by putting objects on it
• diameter = a straight line from one side of a circle to the other
• drilling heads =the bottom part of a tool that you use to drill a hole into the earth to find oil or gas
• electrical charge =electricity that is put into an electrical object, like a battery
• engine =motor, a machine that produces power
• feature = characteristic, quality
• fertilizer = something that you put into the soil to make plants grow
• fission = when you split atoms to produce energy
• fuel = material like coal or oil that can be burned to make energy
• gain = to get one more of something
• graphite = a soft black material you can find in pencils
• haemoglobin = a red substance in your body that has iron in it and carries oxygen
• hydrocarbon = a compound made up of hydrogen and carbon
• hydrogen = a colourless gas that is the lightest of all elements
• in combination with =together with
• inhale = to breathe in something
• inorganic = everything that is not organic
• iron = a hard metal that is used to make steel
• isotope = different forms of an element
• jewellery = small things made of gold or silver that you wear
• lab = short word for laboratory
• laboratory = a special room in which scientists make experiments
• lead = a soft grey metal that melts very easily. It can be found in pencils.
• limestone = a kind of rock that has calcium in it
• liquid = something that is not solid or gas, like water
• lose = if you don’t have something anymore
• magnesium =a silver, white metal that burns with a bright white flame
• mass =the amount of material in something
• melt = if something changes from solid to liquid
• mine = to dig large holes in the ground to get raw materials
• mixture =combination, mix
• molecule =the smallest unit made up of two or more atoms
• naturally = by nature and not with the help of scientists
• nitrogen = a gas that has no smell or colour; it forms most of the Earth’s atmosphere
• noble gas = a pure gas that does not combine with other materials
• nucleus = the middle part of an atom with protons and neutrons
• occur =can be found
• orbit = to travel around an object in a circle
• ore = a rock that has metal in it
• organic = something that is living or is made by living things
• ounce =a unit for measuring weight = 28.35 grams
• outer = far away from the centre
• oxygen = a gas that is in our air and that we need to live
• particle = a very small piece of something
• periodic table = a list of elements that are in groups
• petrol = a liquid that comes from oil. It makes your car drive
• poisonous =a substance or material that can hurt or kill you
• polish = to make something bright and shiny
• pots and pans = steel objects that are used for cooking
• power =to make something run or work
• power plant = a building where electricity is produced
• pressure =the weight or power that you put on something
• pure = something that is not mixed with anything else
• radioactivity = if an atom sends out energy when the nucleus breaks apart
• ray = a line of light
• react = to change when mixed with something else
• reactor = a large machine that can produce nuclear energy
• rise = to go up
• rust =a reddish-brown substance that forms on iron or steel when it gets wet
• scientist =a person who is trained in science
• shape = the form that something has
• share =to have the same
• sheet =layer
• shell =path, layer
• sodium =a silver white metal that usually exists together with other chemicals , for example in salt
• solid =an object that is not a gas or a liquid
• split up = to divide into two or more parts
• structure = the ways things are connected to each other
• suffer from =to have pain
• surface =the top layer of an object
• tie = to hold together
• tin = a soft white metal that is often used to cover and protect steel
• uranium = a heavy white metal that is radioactive and used to produce nuclear power and bombs
• use =function, purpose
• weight = how heavy something is
• wire =thin metal that has the form of a thread; it is used to carry electricity or telephone signals