Hazard SymbolsHazard SymbolsHazard SymbolsHazard Symbols
Hazard Symbols
1. There are three states of matter – solids, liquids and gases
2. When a substance changes state, the particles gain or lose energy
3. Melting – solid into liquid (gain)4. Freezing – liquid into solid (lose)5. Boiling – liquid into gas (gain)6. Condensing – gas into liquid (lose)
Changes of stateChanges of stateChanges of stateChanges of state
Changes of state
Changes of State - WarmingChanges of State - WarmingChanges of State - WarmingChanges of State - Warming
Changes of state - warming
Changes of State - CoolingChanges of State - CoolingChanges of State - CoolingChanges of State - Cooling
Changes of state - cooling
1. An element is a substance which contains only one type of atom
2. A compound is a substance in which two or more atoms are chemically joined together
3. A mixture contains two or more elements or compounds that are not chemically joined together.
Element, Compound, MixtureElement, Compound, MixtureElement, Compound, MixtureElement, Compound, Mixture
Element, Compound, Mixture
Element, Compound, MixtureElement, Compound, MixtureElement, Compound, MixtureElement, Compound, Mixture
Element, Compound, Mixture
1. The substances in mixtures can be separated physically; compounds cannot be broken down physically
Separation TechniquesSeparation TechniquesSeparation TechniquesSeparation Techniques
Separation Techniques
DistillationDistillationDistillationDistillation
Distillation
ChromatographyChromatographyChromatographyChromatography
Chromatography
Separating Sand and SaltSeparating Sand and SaltSeparating Sand and SaltSeparating Sand and Salt
Separating Sand and Salt
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