תחזית לא שלם סיים melting candle wax physical or chemical האוקיינוס השקט תסכול רקיק
Melting candle wax to explore states of matter - Gift of Curiosity
Ian Russell — The Chemical History of a Candle
PHYSCIAL CHANGES When a substance changes form or state. (although the substance remains the same) Example: The chocolate dip ice cream cone. LIQUID. - ppt download