Changes of state

How many states of matter?

• 1

• 2

• 3

• 4

Three states of matter are:

• solid

• water

• liquid

• gas

What causes the change of state?

• change of temperature

• solid

• liquid

• gas

Temperature is how hot or cold something is.

• True

• False

We mesure the temperature by:

• liter (l)

• Kilogram (kg)

• Kilometer (km)

• degrees Celsius (ºC).

We use a thermometer to measure temperature.

• False

• True

If the temperature goes up,it is a _____process.

• evaporation

• cooling

• heating

• condensation

If the temperature goes down, it is a______ process.

• evaporation

• cooling

• heating

• condensation

These ice cubes are in a ____ state.

• solid

• liquid

• ice

• gas

Melting is the process of changing something from a solid to a gas.

• True

• False