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1.States of matter There are 4 states of matter. They are solid, liquid, gas and plasma. 2.Write the similarities and difference of solid, liquid and gas 3.Examples of solid, liquid and gas 4.Describe about three stages of water Solid --->ice Liquid--->water Gas--->water vapour ice heat--->water water cool --->ice water heat ---->water vapour water vapour cool --> water 5.All objects occupy space 6. Water does not have a definite shape 7.All objects have weight 8. Water vapour changes into water when it cools. 9.Fire and lightning are in plasma state. 10.The water vapour cools to form water.