Changes
Types of Chemicals
Types of Combustion
Cool It !!
Give Me A Sign
100
Does not alter the characteristic properties of a substance
What is a physical change?
100
Two or more reactants combine to form a new product.
What is synthesis?
100
A fire burning a log is a good example of this type of combustion.
What is rapid combustion?
100
Reactant A + reactant B --> product C + energy
What is an exothermic reaction?
100
A sign that frying an egg is a chemical change.
What is colour change?
200
Alters the nature and the characteristic properties of matter.
What is a chemical change?
200
A compound separates into two or more compounds or elements.
What is decomposition?
200
An apple turning brown when it has been cut is an example of this type of reaction.
What is slow combustion?
200
reactant A+ reactant B +energy-->Product C
What is an endothermic reaction?
200
A sign that a candle burning is a chemical change.
What is heat given off, a flame, colour change in the wick.
300
Ice melting into water and then boiling into water vapour.
What is a physical change?
300
When two solutions are combined and an insoluble substance forms.
What is precipitation?
300
A dry forest catching fire in the summer is an example of this type of reaction.
What is a spontaneous reaction?
300
Feels warm to the touch
What is an exothermic reaction?
300
A form of oxidation that releases a large amount of energy.
What is combustion?
400
The particles making up an atomic nucleus are re-arranged and new molecules are made.
What is a nuclear transformation?
400
When an acid and a base react to form a salt and water.
What is an acid-base neutralization?
400
A car rusting is an example of this type of reaction.
What is slow combustion.
400
Feels cool to the touch
What is an endothermic reaction?
400
Glucose and oxygen are used to generate energy. The reaction produces carbon dioxide.
What is cellular respiration?
500
The Gummi Bear Terminator is an example of this type of chemical change.
What is decomposition?
500
A chemical change involving oxygen.
What is oxidation?
500
The parts of the fire triangle.
What are fuel, oxygen and heat?
500
A campfire is this type of reaction.
What is exothermic, combustion/oxidation?
500
Produces glucose and oxygen from solar energy, carbon dioxide and water.
What is photosynthesis?
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