MIXTURES Laura Castejรณn mimaletademaestra.blogspot.com
PURE SUBSTANCES They are substances that can’t be separated. WATER – GOLD – SALT - SUGAR
MIXTURES They are made up of two or more substances. They can be separated.
MIXTURES There are 2 types: Heterogenous – Homogenous
MIXTURES Heterogenous We can see the individual substances that make it up. It is possible to separate the substances easily.
MIXTURES Homogenous We can’t see the individual substances, but we can separate them.
MIXTURES We can separate the substances in mixtures. How?
MIXTURES 1. Filtration 2. Evaporation 3. Magnetic separation
MIXTURES 1. Filtration: when we pour the juice of an orange through a filter. The solids stay in the filter and the liquid passes.
MIXTURES 2. Evaporation: when we heat a mixture, the liquid evaporates and leaves only the solids.
MIXTURES 3. Magnetic separation: if some of the solids are magnetic, we can use a magnet to attract them.