when solid becomes liquid and liquid become gases energy is?
a.gained
b.lost
c.stays the same
two liquids are mixed,as a result,a solid is formed this is evidence of..
a.new substances is being formed
b.change
c.chemical property
d.physical property
which of the following is an example of a physical change?
a.water freezing into Ice
b.a piece of wood burning
c.a toy car rusting
d.zinc producing hydrogen gas when mixed with water
what does it mean when there is a physical change?
a.matter has changed from one substance into another
b.matter has change on the molecular level
c.a new substance has formed
d.matter has changed size,shape or form
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