Heat changes the appearance of matter. When
heated, matter changed in size, shape, and texture. It also
changed in forms.
In some solid materials, heat changed them into liquid
orm.
This also changes the size, shape, and texture of matter
Answer the guide questions:
1. What happens to each material (crayon/chocolate bar/
butter or margarine) when they were heated? Why?
2. Is there a change in the appearance of the materials?
What change took place?
heated, matter changed in size, shape, and texture. It also
changed in forms.
In some solid materials, heat changed them into liquid
orm.
This also changes the size, shape, and texture of matter
Answer the guide questions:
1. What happens to each material (crayon/chocolate bar/
butter or margarine) when they were heated? Why?
2. Is there a change in the appearance of the materials?
What change took place?
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Answer:
1. It melts when heated. It is because, heat energy travels to the wax on the area where the materials lie, for instance, at the bottom of the pot. When these wax molecules are hit by the energy (heat) it causes them to move faster until they reach their melting point.
2. The molecules begin to move and are able to slide past each other and become a liquid. When the liquid is cooled, the molecules slow down and reconnect to become a solid again.