Vocabulary - Melting And Insulation
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STUDENT RESOURCE 3.1
Vocabulary
INFORMATION SHEET
insulator something that slows the
physical change a change that
movement of heat energy from
makes something different in size,
one place to another
shape, or state of matter
Coolers, refrigerators, and
If you cut an apple in half, you
some clothing act as insulators.
still have two parts of an apple.
They are used to keep objects cool.
Its shape has changed but it is still
an apple. When water freezes, it
melting when a solid becomes a
is still water. When an ice cube
liquid
melts, it is still water. Melting and
When a solid absorbs heat
freezing are physical changes.
energy, it can melt. When ice melts
it becomes liquid water. Different
surface area a measure of the total
substances melt at different
area of all the surfaces of an object
temperatures.
A crushed ice cube has more
surface area than a whole ice
cube.
ENERGY AND MATTER • SECTION 3 MELTING AND INSULATION
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