1) When a solid changes state to become a liquid. a) Physical process b) Change of state c) Melting 2) We can show the process of melting like this: a) liquid + heat —>solid b) gas— heat —>liquid c) solid + heat —>liquid 3) When materials and substances change from one form to another when they are heated or cooled. a) Melting b) Change of state c)  Solidifying 4) When a liquid changes state to become a solid. a) Solidifying b) Physical process c) Change of state 5) Fill in the summary of the change of state: a) liquid - gas b) liquid - solid c) solid- liquid 6) When a substance changes form, but does not become a new substance. a) Change of state b) Change of state c) Physical process 7) Fill in the summary of the change of state: a) solid- liquid b) liquid - solid c) liquid - gas 8) When ice cream becomes liquid on hot day it is-------- a) melting b) freezing c) Solidifying 9) The opposite of ice melting is------- a) thawing b) cooling c) solidifying 10) We can show the process of freezing like this: a) liquid — heat —>solid b) gas + heat —>liquid c) solid + heat —>liquid

Cambridge Science 4 Unit 3 Lesson 3 Melting and solidifying. Mr. Karim Abdellah

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