2. Mixtures - Mixtures of materials

Mixture

Two or more different materials mixed together.

Separate

To take things that are mixed together apart.

Variety

A wide range or collection of different things.

Solution

A special mixture where one material seems to disappear into another.

Sieve

A tool with holes used to separate small pieces from larger ones.

Sieving

The process of separating materials using a sieve.

Filtering

A method to separate a solid from a liquid using a filter.

Decanting

Carefully pouring off one liquid from another, or from a solid.

Hand sorting

Separating mixed materials by picking them out one by one.

Solid

A state of matter that keeps its own shape.

Liquid

A state of matter that takes the shape of its container.

Gas

A state of matter that spreads out to fill its container.

Particles

Very tiny building blocks that all matter is made of.

Grain sizes

The different sizes of small pieces of a material.