Grade 4 Materials, substances and particles

It has no fixed shape and can flow.

• liquid

• solid

• gas

The particles are packed tightly together

• solid

• liquid

• gas

The spaces between the particles are very small.

• solid

• liquid

• gas

The particles cannot move around very much and are in a fixed position.

• solid

• liquid

• gas

The particles are also close together, but they are not packed in a regular pattern.

• solid

• liquid

• gas

When a solid gains heat, it change into ..... state.

Term for the change of solid to liquid.

• melting

• solidifying

• evaporation

• condensation

When a substance or material changes from a liquid to a solid.

• melting

• solidifying

• condensation

• evaporation

Change of state that does not change into a different substance is called as .... changes

Metals like gold and silver will also .... if they are heated enough.