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Name some examples of food that are made by fermentation.
Bread, cake, yogurt, apple cider
Fermentation involves __________ change.
chemical
Yeast, bacteria and other microorganisms can be used for _____________.
fermentation
Browning in fruit is a process caused by ____________.
oxidation
What happens when iron is exposed to oxygen and moisture?
Rusting
Combustion is an ___________ __________.
exothermic reaction
What problems can combustion cause on the environment?
Global warming, pollution, etc.
Give an example of things that can serve as fuel.
coal, wood, or natural gas
What are the three things you need for combustion.
Oxygen, heat and fuel
A __________ is used in filtration.
filter
This technique can be used to separate two liquids.
Distillation
This technique can be used to separate a soluble solid from a solution.
Evaporation
Soil can be separated from water by using_____________.
filtration
Give an example of a solution.
Sea water,
In a solution the substances are _____________ in the liquid.
dissolved
Solution = ___________+____________
solvent + solute
What is a solvent?
It is a liquid substance.
Coffee is a ________________________________.
homogeneous mixture
A mixture is made up of __________________________.
several substances
H20 (water) is a good example of a ______________ of elements.
combination (compound)
Name the three states of Matter?
solid, liquid or gas


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