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1
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change from solid to liquid
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7
|
what all things are made of. Matter takes up space and can be weighed
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8
|
having molecules that are very close together
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9
|
changes from a liquid into a gas
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12
|
substances that can change their size and their shape. A gas can spread out to fill any container.
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13
|
water in the gas state
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15
|
units for measuring the amount of space things fill
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17
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the amount of space that an object fills.
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|
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2
|
substances that flow easily. A liquid always stays the same size, but its shape can change.
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3
|
solid water
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4
|
water in the gas state
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5
|
the solid, liquid, and gas forms of matter
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6
|
the amount of matter an object is made of
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10
|
the tiny particles that make up all things
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11
|
the smallest pieces that a substance can be broken into. A molecule is made up of atoms that are joined together.
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14
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bubbling and changing from a liquid into a gas
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16
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substances that stay the same size and the same shape. The molecules in most solids are tightly packed.
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