Fermentation
Chemical change
Weight
Oxidation
Force
Buoyancy
Combustion
Gravity
COMBUSTION
Friction
Is a force generated by the gravitational atraction
Attracts objects to each other.
is the result of a chemical reaction that creates a new substance with different properties
Occurs when two objects rub against each other
It produces heat, light and a new substance
Fungi or bacteria change organic substances into another substances
Makes an object float
Where a substance reacts with oxygen
chemical reaction between oxygen and a substance
Is a push or a pull on an object