Page 236 - DK Children's Encyclopedia

Solids SEE ALSO

▸ ▸ Changing states
p.57

Solids are materials that keep their shape. They don’t ▸ ▸ Gases p.117
flow like water—they stay where you put them. Solids ▸ ▸ Liquids p.148
are useful for making many things, from mobile phones ▸ ▸ Materials p.157

to houses. They are usually hard materials, but soft ▸ ▸ Metals p.162
materials that keep their shape are solid, too. ▸ ▸ Plastic p.195

What solids do Particles Cutting solids
Solids can be hard, bendy, Solids are made from tiny We can cut solids into
particles that are close
strong, squishy, see-through, or together. If enough heat different shapes. Wood is
magnetic. The behaviors of a is added, they start to a solid material that comes
solid are called its properties. move past each other from trees. We cut and
to become liquid.
shape it to make furniture.

Solids make a
pile, not a pool
or puddle.

Chopped
wood

Solid rocks become
liquid lava when Shaping solids
heated to very Metal is a hard solid we can
high temperatures. find underground. We heat
metal to make it soft, then
Solids keep bend and hammer it into the
their shape. shape we want. When it
cools, metal keeps its shape.

Making
new solids
We can make new solid materials Gets chilled
by mixing other materials together.
For example, gelatin is made by
adding hot water to gelatin powder
to make a liquid. The liquid then
cools into a solid. Liquid gelatin Solid gelatin

A hot metal horseshoe
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