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Name three different types of matter
solid, liquid and gas
Example of a solid
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Example of a liquid
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Example of a gas
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What is a reversible and an irreversible change?
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What are chemical changes?
Combustion and oxidisation
What is a pure substance (example)
Objects with one particle - gold, salt, diamond, oxygen
What is a homogenous mixture (example)
A mixture where you can't see the separate parts - tea, coffee
What is a heterogenous mixture (example)
A mixture where you can see different parts - a salad, granola, yoghurt and fruit
How do we separate mixtures? 4 types
Sieving, filtration, distillation and evaporation
What is evaporation?
separates solid and liquid solution through heat
What is this?
Filtration
What is this?
Distillation
What is a thermal conductor?
A material that thermal energy can now through - such as metals
What is a thermal insulator?
A material that thermal energy cannot flow through well - cotton, wood, etc
How do we measure heat?
With a thermometer
