SOUND
STATES OF MATTER
Water Changes State
Water Changes State 101
Enumeration
100

 The microphone is connected to an

Amplifier

100

The particles are very close together.

Solid

100

Water changes state when it is

heated and cooled

100

The temperature at which a substance melts is its

melting point

100

Solid to Liquid

Melting

200

The amplifier is connected to the

Loudspeaker
200

the particles are closely packed but further apart than in solids.

Liquid

200

If we heat water enough, it will

boil.

200

The temperature at which a substance boils is its

boiling point

200

Liquid to Gas

Evaporation

300

Give me 2 examples of a stringed instruments

Guitar, violin and ukulele

300

The layer of air that surrounds the Earth is called the

Atmosphere
300

When water boils it forms bubbles of a gas called

steam

300

When we heat ice, it melts to form

liquid water

300

Pollutions came from where?

 factories, power stations, cars, trucks and aeroplanes into the air.

400

The microphone, the amplifier and the loudspeaker make a

Sound System

400

ir also contains a gas called

Water Vapour

400

The amount or heat in a substance is called the

temperature

400

happens because some particles in the liquid gain heat energy.

Evaporation

400

States of Matter

Solid, Liquid and Gas

500

Loud sounds can hurt our ears. Some people work in very noisy places. They need to protect their ears. They wear __________________.

Ear defenders or Ear defenders muffle sound

500

A gas called __________ makes up about four-fifths of the air.

nitrogen

500

We measure temperature with a

thermometer

500

We measure temperature with a thermometer. The unit we use is

degrees centigrade

500

It is also important for us to have clean air to breathe. People put

smoke, dust and gases

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