1) ................... Is any thing that take up space and has Mass. a) matter b) solid c) gas d) wood 2) Every thing is made of .......... a) solid b) liquid c) matter d) gas 3) gases are ............. a) invisible b) visible c) solid d) liquid 4) matter is any thing has ..........and takes up space a) mass b) volume c) liquid d) gases 5) All matter is made of ........... a) particles b) wood c) ice d) glass 6) The smallest unit of matter is............ a) gases b) atom c) liquid d) solid 7) Atom is so small that it can only be seen with a very strong............ a) eye b) microscope c) man d) girl 8) ............... Move around the outside of the nucleus a) electrons b) protons c) nucleus d) atom 9) electrons have............. Charge a) negative b) positive c) neutral d) no charge 10) The .......... of an atom is made from protons and neutrons a) proton  b) nucleus c) charge d) negative 11) protons have a ........... Charge a) positive b) negative c) neutral d) no charge 12) Neutrons have ......... Charge a) positive b) negative c) no charge d) electrons 13) substances that are made of only one type of atom are called............. a) elements b) molecules c) compound d) atom 14) atoms join together to make............... a) elements b) molecules c) compound d) atom 15) some materials are made of different types of atoms that are joined together to form ........... a) element b) compound c) atom 16) Electrical wires are made of ............. a) Copper b) gold c) silver d) wood 17) when matter changes state . The .................of the particles is Changes a) shape b) mass c) volume d) arrangement 18) In ........... State , the water molecules are packed closely together. a) solid b) liquid c) gas 19) In ............ State, there is more space between the molecules. a) solid b) liquid c) gas 20) In .......... State, the molecules are a long way from each other and move quickly in All directions a) solid b) liquid c) gas 21) During a change of state, This type of change is known as a ................. Change a) physical b) chemical c) solid d) gas 22) physical change is .............. a) irreversible b) reversible c) solid d) gas 23) ............ Change is irreversible a) physical b) chemical c) solid d) liquid 24) The particles in substance change and a new substance is made this is ................. Change a) chemical b) physical c) solid d) gas 25) Nothing New is made during a ........... change a) physical b) chemical c) atom d) melt

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