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MATTER
MATTER
Matter is anything that has a mass and a volume (Page 82)
MASS
MASS
Mass is the amount of matter in an object.(cantidad de materia de un objeto).It can be measured in grams.
VOLUME
VOLUME
Volume is the amount of space an object occupies.(La cantidad de espacio que los objetos ocupan) It can be measured in litres.
PURE SUBSTANCE
PURE SUBSTANCE
Only contains one type of matter. For Example: Oxygen, gold or salt.( page 83)
MIXTURE
MIXTURE
Is made up of different types of substances. For Example: Salt water, The air. (Page 83)
SOLIDS
SOLIDS
Have a fixed shape, mass and volume (page 84)
LIQUIDS
LIQUIDS
Don´t have a fixed shape. They take the shape of the container.They keep the same mass and volume( page 84)
GASES
GASES
Have a fixed mass. They don´t have a fixed shape or volume.(page 84)
How matter can change
How matter can change
By applying a force : If we squeeze (estrujamos) a bottle or drop a glass ( dejamos caer un vaso de cristal)
How matter can change
How matter can change
By heating or cooling it ( calentándola o enfriándola)
What is combustion?
What is combustion?
When something burns there is
a chemical reaction called combustion that produces light and
heat.
fuel
fuel
The material that burns
A spark or small flame
A spark or small flame
It starts the process
Oxygen
Oxygen
Combines with the fuel and they produce change
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