1) I have fixed shape and volume, and my particles are very close together. What am I? a) Solid b) Liquid c) Gas 2) I have no fixed shape, can flow, and my particles are quite close together. What am I? a) Liquid b) Gas c) Solid 3) This picture show us the ... particles  a) Liquid b) Gas c) Solid 4) The process of melting is ... a) liquid + heat = gas b) liquid + heat = solid c) solid + heat = liquid 5) Burning wood and rusting car a) Chemical changes b) Physical changes 6) Melting, freezing, and solidifying a) Chemical changes b) Physical changes 7) When ice cream becomes liquid on hot day it is...  a) Freezing b) Melting 8) Baking a cake and make pizza a) Physical changes b) Chemical changes 9) Chemical reactions make a new substances form (True/False) a) True b) Falsa 10) Physical changes didn't make a new substances (Still the same) (True/False) a) True b) False 11) My shape is fit to the shape of the container. What am I? a) Solid b) Liquid c) Gas 12) The melting point of water is equals to... a) Boiling point b) Freezing point 13) The freezing point of water is.. a) 50C b) 100C c) 0C 14) When butter melts, it's a chemical reactions. (True/False) a) False b) True 15) When your mom dry your clothes, it's a physical changes a) True b) False

GRADE 4 UNIT 3

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