Thames & Kosmos Gross Gummy Candy Lab handleiding

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Solid water

(ice)

Liquid

water

Gaseous water

There are three phases of matter: solid, liquid, and gas. (There are actually others,

like plasma and Bose-Einstein condensate, but they’re much less common.) This

means that pretty much all the stuff you see in the world can be characterized as

being in either a solid, liquid, or gas phase.

THE PHASES

OF MATTER

GEEK

OUT!

The atoms of solids are

packed together densely

and have ﬁxed positions

in space relative to each

other (like bricks in a wall),

which makes solids rigid.

Liquids have atoms that are packed

less densely than are those of solids,

and while solids form a rigid shape,

liquids move freely. But when liquids

are poured into a container, they must

conform to the shape of the container,

except for possibly one surface (like

the surface of water in a ﬁsh tank).

This is not the case for gases, which must

conform to the shape of the container entirely

(like water vapor in a ﬁsh tank, which would

have no surface different from the walls of

the tank). The atoms of gases are packed the

least densely of all three phases, and are in

relatively random motion. Gases have no

deﬁnite shape or volume, can expand and

contract greatly with changes in temperature

and pressure, and spread easily to distribute

themselves evenly throughout a container —

hence their total conformity to the shapes of

containers.

What’s the matter?

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